PSD312 datasheet(16/85 Pages) STMICROELECTRONICS

部品番号	PSD312

部品情報	Low Cost Field Programmable Microcontroller Peripherals

PDF	85 Pages

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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16 / 85 page

NOTES: 1. CSI is a power-down signal. When high, the PAD is in stand-by mode and all its outputs

become non-active. See Tables 12 and 13.

2. RESET deselects all PAD output signals. See Tables 10 and 11.

3. A18, A17, and A16 are internally multiplexed with CS10, CS9, and CS8, respectively.

Either A18 or CS10, A17 or CS9, and A16 or CS8 can be routed to the external pins of

Port C. Port C pins can be configured as either input or output, individually.

4. P0–P3 are not included on 3X1 devices.

5. DS is not available on 3X1 devices.

Figure 4.

PAD Description

ALE or AS

WR or R/W

A19

A18

A17

A16

A15

A14

A13

A12

A11

ES0

ES1

ES2

ES3

ES4

ES5

ES6

ES7

RS0

CSIOPORT

CSADIN

CSADOUT1

CSADOUT2

CS0/PB0

CS1/PB1

CS2/PB2

CS3/PB3

CS4/PB4

CS5/PB5

CS6/PB6

CS7/PB7

CS8/PC0

CS9/PC1

CS10/PC2

RD/E/DS

8 EPROM BLOCK

SELECT LINES

CSI

RESET

SRAM BLOCK SELECT

TRACK MODE

CONTROL SIGNALS

I/O BASE ADDRESS

PAD

PSD3XX Family

*SRAM no available on “R” versions

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