.hide-partial { max-height: none; } .show-more { display: none; }

Silicon Labs Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 2,594

Applied Filters:

Manufacturer = Silicon Labs

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Download Table (.CSV)

Part #

RF System on a Chip - SoC BG24L, 2.4 GHz, 768kB Flash, 96kB RAM, +10 dBm, +85C, QFN40

EFR32BG24L010F768IM40-BR
Silicon Labs
1: $5.50
2,699In Stock
New Product

Mfr. Part No.
EFR32BG24L010F768IM40-BR

Mouser Part No
634-32BG24L010FIM40R

New Product

Silicon Labs

RF System on a Chip - SoC BG24L, 2.4 GHz, 768kB Flash, 96kB RAM, +10 dBm, +85C, QFN40

Learn More

Datasheet

2,699In Stock

Cut Tape

$5.50

$3.64

$3.32

$2.82

Reel

$2.29

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

768 kB

96 kB

12 bit, 16 bit

26 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +10 dBm, Secure Vault High, MVP +125C, QFN48

EFR32MG24B210F1536IM48-B
Silicon Labs
1: $6.26
4,203In Stock

Mfr. Part No.
EFR32MG24B210F1536IM48-B

Mouser Part No
634-32MGB210F153648B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +10 dBm, Secure Vault High, MVP +125C, QFN48

Learn More

Datasheet

4,203In Stock

$6.26

$5.42

$5.13

$4.73

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

78 MHz

1536 kB

256 kB

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC FG28, Sub-GHz +20, 2.4 GHz +10, 1024kB Flash, 256kB RAM, +20 dBm, Secure Vault-Mid, QFN68

EFR32FG28A122F1024GM68-A
Silicon Labs
1: $11.79
860In Stock

Mfr. Part No.
EFR32FG28A122F1024GM68-A

Mouser Part No
634-FG28A122FGM68A

Silicon Labs

RF System on a Chip - SoC FG28, Sub-GHz +20, 2.4 GHz +10, 1024kB Flash, 256kB RAM, +20 dBm, Secure Vault-Mid, QFN68

Learn More

Datasheet

860In Stock

$11.79

$9.17

$8.74

$7.59

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-68

ARM Cortex M33

32 bit

78 MHz

1 MB

256 kB

12 bit, 16 bit

49 I/O

- 40 C

+ 85 C

Tray

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +4 dBm, +85C, WLCSP39

EFR32BG27C320F768GJ39-BR
Silicon Labs
1: $5.04
3,758In Stock

Mfr. Part No.
EFR32BG27C320F768GJ39-BR

Mouser Part No
634-BG2C320F768GJ3BR

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +4 dBm, +85C, WLCSP39

Learn More

Datasheet

3,758In Stock

Cut Tape

$5.04

$3.34

$3.04

$2.58

View

Reel

$1.84

Min.: 1
Mult.: 1

Reel: 6,000

RF System on a Chip - SoC

SMD/SMT

WLCSP-39

ARM Cortex M33

32 bit

76.8 MHz

768 kB

64 kB

12 bit, 16 bit

19 I/O

- 40 C

+ 85 C

Reel, Cut Tape

RF System on a Chip - SoC MG24, 2.4 GHz, 1024kB Flash, 128kB RAM, +10 dBm, +125C, QFN40

EFR32MG24A010F1024IM40-B
Silicon Labs
1: $6.79
1,088In Stock

Mfr. Part No.
EFR32MG24A010F1024IM40-B

Mouser Part No
634-32MGA010F102440B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1024kB Flash, 128kB RAM, +10 dBm, +125C, QFN40

Learn More

Datasheet

1,088In Stock

$6.79

$4.67

$4.35

$3.83

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

1 MB

128 kB

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, QFN40

EFR32FG23A020F512GM40-C
Silicon Labs
1: $8.08
1,272In Stock

Mfr. Part No.
EFR32FG23A020F512GM40-C

Mouser Part No
634-FG23A20F512GM40C

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, QFN40

Datasheet

1,272In Stock

$8.08

$5.65

$5.39

$4.68

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-40

Tray

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, Secure Vault-High, +125C, QFN48

EFR32FG23B020F512IM48-C
Silicon Labs
1: $9.14
2,978In Stock

Mfr. Part No.
EFR32FG23B020F512IM48-C

Mouser Part No
634-FG23B20F512IM48C

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, Secure Vault-High, +125C, QFN48

Datasheet

2,978In Stock

More Info Available

$9.14

$6.39

$6.09

$5.29

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

64 kB

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC FG25, Sub-GHz, 1920kB Flash, 512kB RAM, FSK/O-QPSK/OFDM, HFCLKOUT, Secure Vault-High, +125C, QFN56

EFR32FG25B222F1920IM56-B
Silicon Labs
1: $14.86
300In Stock

Mfr. Part No.
EFR32FG25B222F1920IM56-B

Mouser Part No
634-25B222F1920IM56B

Silicon Labs

RF System on a Chip - SoC FG25, Sub-GHz, 1920kB Flash, 512kB RAM, FSK/O-QPSK/OFDM, HFCLKOUT, Secure Vault-High, +125C, QFN56

Learn More

Datasheet

300In Stock

$14.86

$12.92

$12.26

$11.34

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-56

ARM Cortex M33

32 bit

97.5 MHz

1920 kB

512 kB

12 bit, 16 bit

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 192kB RAM, +10 dBm, +125C, QFN48

EFR32MG24A010F1536IM48-B
Silicon Labs
1: $5.38
1,963In Stock

Mfr. Part No.
EFR32MG24A010F1536IM48-B

Mouser Part No
634-32MGA010F153648B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 192kB RAM, +10 dBm, +125C, QFN48

Learn More

Datasheet

1,963In Stock

$5.38

$4.66

$4.41

$4.07

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

78 MHz

1.5 MB

192 kB

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +20 dBm, Secure Vault High, 20-bit ADC, +125C, QFN48

EFR32MG24B120F1536IM48-B
Silicon Labs
1: $7.50
2,332In Stock

Mfr. Part No.
EFR32MG24B120F1536IM48-B

Mouser Part No
634-32MGB120F153648B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +20 dBm, Secure Vault High, 20-bit ADC, +125C, QFN48

Learn More

Datasheet

2,332In Stock

$7.50

$6.39

$6.09

$5.29

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

78 MHz

1.5 MB

256 kB

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC BG24, 2.4 GHz, 1024kB Flash, 128kB RAM, +10 dBm, +125C, QFN40

EFR32BG24A010F1024IM40-B
Silicon Labs
1: $3.82
2,902In Stock

Mfr. Part No.
EFR32BG24A010F1024IM40-B

Mouser Part No
634-32BGA010F102440B

Silicon Labs

RF System on a Chip - SoC BG24, 2.4 GHz, 1024kB Flash, 128kB RAM, +10 dBm, +125C, QFN40

Learn More

Datasheet

2,902In Stock

$3.82

$3.31

$3.13

$2.88

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

1 MB

128 kB

12 bit

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +10 dBm, Secure Vault High, +125C, QFN40

EFR32MG24B010F1536IM40-B
Silicon Labs
1: $5.84
2,180In Stock

Mfr. Part No.
EFR32MG24B010F1536IM40-B

Mouser Part No
634-32MGB010F153640B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +10 dBm, Secure Vault High, +125C, QFN40

Learn More

Datasheet

2,180In Stock

$5.84

$5.05

$4.78

$4.41

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

1.5 MB

256 kB

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU

EFM32PG23B210F128IM48-C
Silicon Labs
1: $2.71
4,286In Stock

Mfr. Part No.
EFM32PG23B210F128IM48-C

Mouser Part No
634-PG23210F128IM48C

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU

Learn More

Datasheet

4,286In Stock

$2.71

$2.27

$2.11

$1.89

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

80 MHz

128 kB

64 kB

12 bit/16 bit/20 bit

34 I/O

- 40 C

+ 125 C

Tray

8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU

C8051F120-GQR
Silicon Labs
1: $49.25
1,115In Stock
1,039On Order

Mfr. Part No.
C8051F120-GQR

Mouser Part No
634-C8051F120-GQR

Silicon Labs

8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU

Datasheet

1,115In Stock

1,039On Order

Cut Tape

$49.25

$42.12

$40.35

$36.57

Reel

$35.30

Quote

Min.: 1
Mult.: 1

Reel: 250

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

100 MHz

128 kB

8.25 kB

8 bit, 12 bit

64 I/O

- 40 C

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB MCU

EFM32GG11B120F2048GM64-B
Silicon Labs
1: $13.69
1,586In Stock

Mfr. Part No.
EFM32GG11B120F2048GM64-B

Mouser Part No
634-B120F2048GM64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB MCU

Learn More

Datasheet

1,586In Stock

$13.69

$11.36

$10.63

$10.09

Quote

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-64

ARM Cortex M4

32 bit

72 MHz

2.05 MB

512 kB

12 bit

56 I/O

- 40 C

+ 85 C

Tray

RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 6dB, Mesh, 512kB, 32kB(RAM), 18 GPIO

EFR32MG22C224F512IM32-CR
Silicon Labs
1: $3.02
19,675In Stock

Mfr. Part No.
EFR32MG22C224F512IM32-CR

Mouser Part No
634-ER32MG22512IM3CR

Silicon Labs

RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 6dB, Mesh, 512kB, 32kB(RAM), 18 GPIO

Learn More

Datasheet

19,675In Stock

Cut Tape

$3.02

$2.58

$2.50

$2.39

Reel

$2.08

View

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M33

32 bit

76.8 MHz

512 kB

32 kB

18 I/O

- 40 C

+ 125 C

Reel, Cut Tape

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, XOUT, QFN40

EFR32FG23A011F512GM40-CR
Silicon Labs
1: $8.09
9,125In Stock

Mfr. Part No.
EFR32FG23A011F512GM40-CR

Mouser Part No
634-FG2311F512GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, XOUT, QFN40

Learn More

Datasheet

9,125In Stock

Cut Tape

$8.09

$5.94

$5.54

$4.87

View

Reel

$3.35

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

512 kB

64 kB

12 bit, 16 bit

22 I/O

- 40 C

+ 85 C

Reel, Cut Tape

RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 256 kB flash 32 kB RAM 16 GPIO

EFR32FG1P131F256GM32-C0R
Silicon Labs
1: $7.98
23,599In Stock

Mfr. Part No.
EFR32FG1P131F256GM32-C0R

Mouser Part No
634-1P131F256GM32C0R

Silicon Labs

RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 256 kB flash 32 kB RAM 16 GPIO

Learn More

Datasheet

23,599In Stock

Cut Tape

$7.98

$7.14

$6.88

$6.47

View

Reel

$5.03

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

40 MHz

256 kB

32 kB

12 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F64E-C-QFN24
Silicon Labs
1: $2.89
13,711In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN24

Mouser Part No
634-LB12F64ECQFN24

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

13,711In Stock

$2.89

$2.42

$2.24

$1.98

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

72 MHz

64 kB

4.25 kB

10 bit/12 bit/14 bit

20 I/O

- 40 C

+ 105 C

Tube

RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 10dB, mesh multiprotocol, 1024kB, 96kB(RAM), 20 GPIO

EFR32MG21A010F1024IM32-BR
Silicon Labs
1: $4.71
41,750In Stock

Mfr. Part No.
EFR32MG21A010F1024IM32-BR

Mouser Part No
634-M21A010F102432BR

Silicon Labs

RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 10dB, mesh multiprotocol, 1024kB, 96kB(RAM), 20 GPIO

Learn More

Datasheet

41,750In Stock

Cut Tape

$4.71

$4.08

$3.86

$3.55

View

Reel

$2.72

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M33

32 bit

40 MHz

1 MB

96 kB

20 I/O

- 40 C

+ 125 C

Reel, Cut Tape

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +10 dBm, Secure Vault High, 20-bit ADC, MVP, +125C, QFN48

EFR32MG24B310F1536IM48-B
Silicon Labs
1: $6.73
1,670In Stock

Mfr. Part No.
EFR32MG24B310F1536IM48-B

Mouser Part No
634-32MGB310F153648B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +10 dBm, Secure Vault High, 20-bit ADC, MVP, +125C, QFN48

Learn More

Datasheet

1,670In Stock

$6.73

$5.83

$5.52

$5.09

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

78 MHz

1.5 MB

256 kB

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 192kB RAM, +10 dBm, +125C, QFN40

EFR32MG24A010F1536IM40-B
Silicon Labs
1: $5.25
2,604In Stock

Mfr. Part No.
EFR32MG24A010F1536IM40-B

Mouser Part No
634-32MGA010F153640B

Silicon Labs

RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 192kB RAM, +10 dBm, +125C, QFN40

Learn More

Datasheet

2,604In Stock

$5.25

$4.55

$4.30

$3.97

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

1.5 MB

192 kB

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU

EFM32PG23B210F256IM48-CR
Silicon Labs
1: $4.85
5,000In Stock

Mfr. Part No.
EFM32PG23B210F256IM48-CR

Mouser Part No
634-PG2321F256IM48CR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU

Learn More

Datasheet

5,000In Stock

Cut Tape

$4.85

$3.21

$2.93

$2.49

View

Reel

$1.69

Min.: 1
Mult.: 1

Reel: 2,500

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

80 MHz

256 kB

64 kB

12 bit/16 bit/20 bit

34 I/O

- 40 C

+ 125 C

Reel, Cut Tape

RF System on a Chip - SoC FG25, Sub-GHz, 1920kB Flash, 512kB RAM, FSK/O-QPSK/OFDM, Secure Vault-High, +125C, QFN56

EFR32FG25B221F1920IM56-B
Silicon Labs
1: $14.73
2,592In Stock

Mfr. Part No.
EFR32FG25B221F1920IM56-B

Mouser Part No
634-25B221F1920IM56B

Silicon Labs

RF System on a Chip - SoC FG25, Sub-GHz, 1920kB Flash, 512kB RAM, FSK/O-QPSK/OFDM, Secure Vault-High, +125C, QFN56

Learn More

Datasheet

2,592In Stock

$14.73

$12.81

$12.14

$8.73

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-56

ARM Cortex M33

32 bit

97.5 MHz

1920 kB

512 kB

12 bit, 16 bit

- 40 C

+ 125 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64G-D-QFN24
Silicon Labs
1: $2.21
12,302In Stock

Mfr. Part No.
EFM8BB31F64G-D-QFN24

Mouser Part No
634-EF8BB31F64GDQF24

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

12,302In Stock

$2.21

$1.86

$1.73

$1.52

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

20 I/O

- 40 C

+ 85 C

Tube

Silicon Labs Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-112
BGA-120
BGA-125
BGA-136
BGA-152
BGA-192
BGA-48
CSP-16
CSP-43
CSP-81
LGA-42
LGA-85
LGA-92
LQFP-100
LQFP-32
MSOP-10
PQFP-48
QFN-11
QFN-12
QFN-16

5 MHz
12 MHz
24 MHz
24.5 MHz
25 MHz
32 MHz
38.4 MHz
39 MHz
40 MHz
48 MHz
50 MHz
72 MHz
76.8 MHz
78 MHz
80 MHz
97.5 MHz
100 MHz
150 MHz
180 MHz
2.4 GHz

1.5 kB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 kB
192 kB
256 kB
352 kB
512 kB
768 kB
1 MB
1.02 MB
1024 kB
1152 kB
1.5 MB
1536 kB

8 B, 256 B, 4 kB
128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4 kB, 256 B, 8 B
4.25 kB
4.35 kB
4352 B
8 kB

5 I/O
6 I/O
8 I/O
9 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O