IOBUS1 datasheet(61/88 Pages) FTDI

Teilenummer	IOBUS1

Bauteilbeschribung	Vinculum-II Embedded Dual USB Host Controller IC

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Datasheet

Vinculum-II Embedded Dual USB Host Controller IC

V ers ion 1 .7

Doc ument N o.: FT _000138 C learance N o.: FT DI# 1 43

6.7 Parallel FIFO – Synchronous Mode

The Parallel FIFO Synchronous mode has an eight bit data bus, individual read and write strobes, two

hardware flow control signals, an output enable and a clock out.

The synchronous FIFO mode uses the parallel FIFO interface signals detailed in Table 6.16 and an

additional two signals detailed in Table 6.18.

This mode is not available on the 32 pin packages.

64 Pin

Package

Available

pins

48 Pin

Package

Available

pins

32 Pin

Package

Available

pins

Name

Type

Description

11, 15,

19, 24,

28, 39,

43, 47,

51, 57,

11, 15,

20, 31,

35, 41,

11, 23

fifo_oe#

I/O

FIFO Output enable

12, 16,

20, 25,

29, 40,

44, 48,

52, 58,

12,16,

21, 32,

36, 42,

12, 24,

fifo_clkout

I/O

FIFO Clock out

Table 6.18 Synchronous FIFO control signals

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