W51300 Просмотр технического описания (PDF) - Winbond

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W51300

FLASH VR CONTROLLER

Winbond 

W51300

Pin Description, continued

NO.

PIN

9

BUSY

10 LED

11

VSSD

12

VSSA

13 SPK-

14 SPK+

15

VCCA

16 AUD

17

VCCA

18 OSC

19 MICREF

20 MIC

21 AGC

22

VCCD

23 CPU

24 SMODE

25 TEST

26 EXTCLK

27 RESET

28 L_REC

29 L_PLAY

30 E_PLAY

31 ERASE

32 FWD

I/O

DESCRIPTION

O Output busy signal, HIGH during playback

O Blink (Flash (volume-controlled) during playback

Flash Blink (3 Hz) when during low battery is low, segment full, or

memory full

ON during recording, erasing, and memory formatting

- Digital negative power supply

- Analog negative power supply

O Speaker voltage output -

O Speaker voltage output +

- Analog positive power supply

O Speaker current output (maximum 5 mA when VCC = 4.5V)

- Analog positive power supply +

I Oscillation frequency control pin

I Microphone reference

I Microphone input

I Automatic gain control input

- Digital positive power supply

I Normal/CPU mode select pin: low for normal, high for CPU

I Multi/single segment select pin: low for multi, high for single

I External test pin for testing

I External clock pin for testing

I Reset control pin

I Level record control pin

I Level playback control pin

I Edge playback control pin

I Message erase control pin in normal mode

Input level signal (from MCU) in CPU mode

I/O Message forward control pin in normal mode

Output level signal (to MCU) in CPU mode

Publication Release Date: April 1997

-3-

Revision A2

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