参数资料
型号: FT2232HL-TRAY
厂商: Future Technology Devices International Ltd
元件分类: 总线控制器
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封装: LEAD FREE, LQFP-64
文件页数: 9/63页
文件大小: 1598K
代理商: FT2232HL-TRAY
Copyright 2010 Future Technology Devices International Limited
17
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 2.10
Clearance No.: FTDI#77
3.4.7 FT2232H Pins Configured as a CPU-style FIFO Interface
The FT2232H channel A or channel B can be configured in a CPU-style FIFO interface mode which allows
a CPU to interface to USB via the FT2232H. This mode is enabled in the external EEPROM.
When configured in this mode, the pins used and the descriptions of the signals are shown in Table 3.10
Channel A
Pin No.
Channel B
Pin No.
Name
Type
Fast Serial Interface Configuration
Description
24,23,22,21
,
19,18,17,16
46,45,44,43
,
41,40,39,38
Channel A =
ADBUS[7:0]
Channel B =
BDBUS[7:0]
I/O
D7 to D0 bidirectional data bus
26
48
CS#
INPUT
Active low chip select input
27
52
A0
INPUT
Address bit A0
28
53
RD#
INPUT
Active Low FIFO Read input
29
54
WR#
INPUT
Active Low FIFO Write input
Table 3.10 Channel A and Channel B CPU-style FIFO Interface Configured Pin Descriptions
For a functional description of this mode, please refer to section 4.9 CPU-style FIFO Interface Mode
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