參數(shù)資料
型號(hào): FT-MOD-4232HUB
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 5/45頁(yè)
文件大小: 0K
描述: MOD USB HS HUB & SERIAL I/F
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,USB 2.0 集線器
嵌入式:
已用 IC / 零件: FT4232H
主要屬性: USB 高速集線器,最多 3 下行 USB 端口
次要屬性: USB 供電
已供物品:
其它名稱: 768-1091
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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