FT4232H Pinout Solver

UART / Serial / RS232/422/485

For Channels Available: A, B, C, and D
Max Supported Baud: 12 mbaud / 12,000,000 baud

UART Channel A:
Channel Pin Name Pin No Use
A ADBUS 0 16 TXD / TX / Transmit
A ADBUS 1 17 RXD / RX / Receive
A ADBUS 2 18 RTS# / RTS / Request To Send
A ADBUS 3 19 CTS# / CTS / Clear To Send
A ADBUS 4 21 DTR# / DTR / Data Terminal Ready
A ADBUS 5 22 DTR# / DTR / Data Set Ready
A ADBUS 6 23 DCD# / DCD / Data Carrier Detect
A ADBUS 7 24 RI# / Ring Indicator / TXDEN

UART Channel B:
Channel Pin Name Pin No Use
B BDBUS 0 26 TXD / TX / Transmit
B BDBUS 1 27 RXD / RX / Receive
B BDBUS 2 28 RTS# / RTS / Request To Send
B BDBUS 3 29 CTS# / CTS / Clear To Send
B BDBUS 4 30 DTR# / DTR / Data Terminal Ready
B BDBUS 5 32 DTR# / DTR / Data Set Ready
B BDBUS 6 33 DCD# / DCD / Data Carrier Detect
B BDBUS 7 34 RI# / Ring Indicator / TXDEN

UART Channel C:
Channel Pin Name Pin No Use
C CDBUS 0 38 TXD / TX / Transmit
C CDBUS 1 39 RXD / RX / Receive
C CDBUS 2 40 RTS# / RTS / Request To Send
C CDBUS 3 41 CTS# / CTS / Clear To Send
C CDBUS 4 43 DTR# / DTR / Data Terminal Ready
C CDBUS 5 44 DTR# / DTR / Data Set Ready
C CDBUS 6 45 DCD# / DCD / Data Carrier Detect
C CDBUS 7 46 RI# / Ring Indicator / TXDEN

UART Channel D:
Channel Pin Name Pin No Use
D DDBUS 0 48 TXD / TX / Transmit
D DDBUS 1 52 RXD / RX / Receive
D DDBUS 2 53 RTS# / RTS / Request To Send
D DDBUS 3 54 CTS# / CTS / Clear To Send
D DDBUS 4 55 DTR# / DTR / Data Terminal Ready
D DDBUS 5 57 DTR# / DTR / Data Set Ready
D DDBUS 6 58 DCD# / DCD / Data Carrier Detect
D DDBUS 7 56 RI# / Ring Indicator / TXDEN

SPI / Serial Peripheral Interface

Two Channels Available: A and B

SPI Channel A:
Channel Pin Name Pin No Use
A ADBUS 0 12 SK / SCLK / TCK / CLK / Serial Clock
A ADBUS 1 13 DO / MISO / Serial Data Output
A ADBUS 2 14 DI / MOSI / Serial Data Input
A ADBUS 3 15 CS / SS / TMS / Chip Select

SPI Channel B:
Channel Pin Name Pin No Use
B BDBUS 0 22 SK / SCLK / TCK / CLK / Serial Clock
B BDBUS 1 23 DO / MISO / Serial Data Output
B BDBUS 2 24 DI / MOSI / Serial Data Input
B BDBUS 3 25 CS / SS / TMS / Chip Select

I2C

Two Channels Available: A and B

I2C Channel A:
Channel Pin Name Pin No Use
A ADBUS 0 12 SK / SCLK / TCK / CLK / Serial Clock
A ADBUS 1 13 DO / MISO / Serial Data Output
A ADBUS 2 14 DI / MOSI / Serial Data Input
A ADBUS 3 15 CS / SS / TMS / Chip Select

I2C Channel B:
Channel Pin Name Pin No Use
B BDBUS 0 22 SK / SCLK / TCK / CLK / Serial Clock
B BDBUS 1 23 DO / MISO / Serial Data Output
B BDBUS 2 24 DI / MOSI / Serial Data Input
B BDBUS 3 25 CS / SS / TMS / Chip Select

JTAG

Two Channels Available: A and B

JTAG Channel A:
Channel Pin Name Pin No Use
A ADBUS 0 12 TCK / CLK / Test Interface Clock
A ADBUS 1 13 TDI / DO / Test Data Input
A ADBUS 2 14 TDO / DI / Test Data Output
A ADBUS 3 15 TMS / CS / Test Mode Select

JTAG Channel B:
Channel Pin Name Pin No Use
B BDBUS 0 22 TCK / CLK / Test Interface Clock
B BDBUS 1 23 TDI / DO / Test Data Input
B BDBUS 2 24 TDO / DI / Test Data Output
B BDBUS 3 25 TMS / CS / Test Mode Select

Bit-Bang Interface

Two Channels Available: C and D

Big-Bang Channel C:
Channel Pin Name Pin No Use
C CDBUS 0 38 D0
C CDBUS 1 39 D1
C CDBUS 2 40 D2
C CDBUS 3 41 D3
C CDBUS 4 43 D4
C CDBUS 5 44 D5
C CDBUS 6 45 D6
C CDBUS 7 47 D7

Big-Bang Channel D:
Channel Pin Name Pin No Use
D DDBUS 0 48 D0
D DDBUS 1 52 D1
D DDBUS 2 53 D2
D DDBUS 3 54 D3
D DDBUS 4 55 D4
D DDBUS 5 57 D5
D DDBUS 6 58 D6
D DDBUS 7 59 D7

Common Pins

Pin Name Pin No Use
GND 1,5,11,15,25,35,47,51 GND / Ground
OSCI 2 Oscillator Input
OSCO 3 Oscillator Output
REF 6 Current Reference Input - connect via 12Ko resistor @1% to GND
RESET# 14 Reset Input (Active Low)

Config Options / More Info

Links:
Multi-Channel Options: