FT51CS-R datasheet(10/43 Pages) FTDI

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FT51A Advanced MCU with 8051 Compatible Core IC Datasheet

Version 1.5

Doc ument N o.: FT _000877

C learance N o.: FT DI#420

Pin Nos.

Name

Type

Description

48 pin

44 pin

32 pin

28 pin

DW_DM

INPUT/

OUTPUT

Downstream USB Data

Signal Minus.

DW_DP

INPUT/

OUTPUT

Downstream USB Data

Signal Plus.

UP_DM

INPUT/

OUTPUT

Upstream USB Data

Signal Minus.

UP_DP

INPUT/

OUTPUT

Upstream USB Data

Signal Plus.

RST

INPUT

Device Reset. Active

HIGH

VREF

INPUT

Reference voltage.

Connect to VOUT3V3.

DEBUGG

INPUT/

OUTPUT

Chip Debug Port

1,2,3,4,6,

9,10,11,12

13,14,15

45,46,47,48

1,2,3,5,7,8

9,10,11

12,13,

40,41,42

43,44

1,2,3

5,6,7

8,9,10

11,12,

28,29,30

31,32

1,2,3,

6,8,9,

10,11

12,13

,14

P1.0_

P1.7

P3.0_

P3.7

(DIO0_D

IO15)

INPUT/

OUTPUT

General Purpose

digital IO pins. Weak

internal pull up

enabled on exit from

POR or hardware

reset.

20,21,22,23

24,25,26,27

33,34,35,36

37,38,39,40

18,19,20,21

22,23,24,25

30,31,32,33

34,35,36,37

16,17,181

9,22,23

24,25

17,18

,19

20,23

,24

25,26

P0.0_

P0.7

P2.0_

P2.7

(AIO0_A

IO15)

INPUT/

OUTPUT

ADC analogue input

pins. Can also be used

as digital IO pins.

AIO0 – AIO7 have no

pull ups when using

44 or 48 pin packages.

Table 2-2 – Common Function pins

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