参数资料
型号: FT4232HQ-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 5/45页
文件大小: 0K
描述: IC USB HS QUAD UART/SYNC 64-QFN
标准包装: 1
系列: USBmadeEZ-FIFO
特点: USB 至 UART 和(或)SPI、I2C、JTAG
通道数: 4,QUART
FIFO's: 2048 字节
规程: RS232,RS422,RS485
电源电压: 3 V ~ 3.6 V
带自动流量控制功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN 裸露焊盘(9x9)
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
配用: 768-1031-ND - MOD USB HS FT4232H EVAL
其它名称: 768-1027-6
Copyright 2010 Future Technology Devices International Limited
13
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
3.4.2 FT4232H pins used in a Synchronous or Asynchronous Bit-Bang
Interface
The FT4232H channel A, B, C or channel D can be configured as a bit-bang interface. There are two types
of bit-bang modes: synchronous and asynchronous.
When configured in any bit-bang mode (synchronous or asynchronous), the pins used and the
descriptions of the signals are shown in Table 3.6
Channel
Number
Pin Nos.
Name
Type
Synchronous or Asynchronous Bit-Bang
Configuration Description
A
24,23,22,21
,
19,18,17,16
ADBUS[7:0]
I/O
Channel A, D7 to D0 bidirectional bit-bang data
B
34,33,32,30
,
29,28,27,26
BDBUS[7:0]
I/O
Channel B, D7 to D0 bidirectional bit-bang data
C
46,45,44,43
,
41,40,39,38
CDBUS[7:0]
I/O
Channel C, D7 to D0 bidirectional bit-bang data
D
59,58,57,55
54,53,52,48
DDBUS[7:0]
I/O
Channel D, D7 to D0 bidirectional bit-bang data
Table 3.6 Channel A,B,C and Channel D Synchronous or Asynchronous Bit-Bang Configured Pin
Descriptions
For a functional description of this mode, please refer to section 4.5 Synchronous and Asynchronous Bit-
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