AT89C5132-ROTIL datasheet(4/181 Pages) ATMEL

4 / 181 page

4173D–USB–02/06

AT89C5132

Figure 4-2.

AT89C5132 84-pin PLCC (1)

Note:

1. For development board only.

4.1

Signals

All the AT89C5132 signals are detailed by functionality in Table 1 to Table 14.

Table 1. Ports Signal Description

PLCC84

P2.3/A11

P2.4/A12

P2.6/A14

P2.5/A13

P2.7/A15

MCLK

MDAT

MCMD

PAVSS

VSS

VDD

RST

SCLK

DSEL

DCLK

DOUT

P1.0/KIN0

P1.1/KIN1

P1.2/KIN2

P1.3/KIN3

P1.4

P1.5

P1.7/SDA

FILT

PAVDD

VDD

P1.6/SCL

TST

P2.2/A10

ALE

ISP

UVDD

UVSS

P4.4

P4.5

VDD

VSS

Signal

Name

Type

Description

Alternate

Function

P0.7:0

I/O

Port 0

P0 is an 8-bit open-drain bidirectional I/O port. Port 0 pins that have 1s written

to them float and can be used as high impedance inputs. To avoid any parasitic

current consumption, floating P0 inputs must be polarized to V

DD or VSS.

AD7:0

P1.7:0

I/O

Port 1

P1 is an 8-bit bidirectional I/O port with internal pull-ups.

KIN3:0

SCL

SDA

AT89C5132-ROTIL Datasheet(PDF) 4 Page - ATMEL Corporation

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