MZ-R500/R500PC

• IC801 CXD2671-204GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM)

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

1

PAUSE KEY

I

Set key input terminal (Xkey input)

 

 

 

 

 

 

2

(MIC SENSE)

O

Control signal output to the microphone amp

 

“H”: HIGH, “L”: LOW, normally: “H”

Not used (open)

 

 

 

 

 

 

 

3

XTEST

I

Input terminal for the test mode set up “L”: test mode (normally fixed at “H”)

 

 

 

 

 

4, 5

NC

O

Not used (open)

 

 

 

 

 

6

MCUVDD0

Power supply terminal (for microcomputer block) (+1.5 V)

 

 

 

 

 

7

MIFVSS3

Ground terminal (for microcomputer I/F)

 

 

 

 

 

8

XRST

I

System reset signal input terminal from the power control (IC901) “L”: reset

 

 

 

 

9

S MON

I

Servo signal monitor input terminal (A/D input) from RF amp (IC501)

 

 

 

 

10

VB MON

I

Voltage monitor input terminal of UNREG power supply (A/D input)

 

 

 

 

11

CHG MON

I

Charge voltage monitor input terminal (A/D input) Not used (open)

 

 

 

 

12

VREF MON

I

Clear reference voltage input terminal (A/D input) from RF amp (IC501)

 

 

 

 

 

13, 14

SET KEY 1,

I

Set key input terminal (A/D input)

 

SET KEY 2

 

 

 

 

 

 

 

 

 

15

VL MON

I

VL voltage monitor input terminal (A/D input)

 

 

 

 

16

HIDC MON

I

HIGH DC voltage monitor input terminal (A/D input)

 

 

 

 

17

WK DET

I

Set key start switching detection signal input terminal (A/D input)

 

 

 

 

 

18

REC KEY

I

REC key input terminal (A/D input)

 

 

 

 

 

19

HALF LOCK SW

I

Open button detection switch (S805) input terminal (A/D input)

“L”: when normal position, “H”: when locked

 

 

 

 

 

 

 

20

RMC KEY

I

Key input terminal (A/D input) of the remote commander attached headphone

 

 

 

 

21

AVDD

Power supply terminal (for the analog circuit block) (+2.8 V)

 

 

 

 

22

AVSS

Ground terminal (for the analog circuit block)

 

 

 

 

23

VDIOSC

Power supply terminal (for OSC cell) (+2.4 V)

 

 

 

 

 

24

OSCI

I

System clock (45.1584 MHz) input terminal

 

 

 

 

 

 

25

OSCO

O

System clock (45.1584 MHz) output terminal

 

 

 

 

 

 

26

VSIOSC

Ground terminal (for OSC cell)

 

 

 

 

 

27

DAVDD

Power supply terminal (for the built-in D/A converter) (+2.4 V)

 

 

 

 

28

VREFL

I

Reference voltage input terminal (for the internal D/A converter L-CH)

 

 

 

 

29

AOUTL

O

Built-in D/A converter (L-CH) output terminal

 

 

 

 

30

AOUTR

O

Built-in D/A converter (R-CH) output terminal

 

 

 

 

31

VREFR

I

Reference voltage input terminal (for the built-in D/A converter R-CH)

 

 

 

 

32

DAVSS

Ground terminal (for the built-in D/A converter)

 

 

 

 

 

33

ASYO

O

Playback EFM duplex signal output terminal

 

 

 

 

 

34

ASYI

I

Playback EFM comparison slice level input terminal

 

 

 

 

 

35

AVD1

Ground terminal (for the analog) (+2.4 V)

 

 

 

 

 

 

36

BIAS

I

Bias input for the playback EFM comparison

 

 

 

 

 

37

RFI

I

Playback EFM RF signal input from RF amp (IC501)

 

 

 

 

 

38

AVS1

Ground terminal (for the analog)

 

 

 

 

 

39

PCO

O

Phase comparison output for the master clock of playback EFM system master PLL

 

 

 

 

 

40

PDO

O

Phase comparison output for the analog PLL

Not used (open)

 

 

 

 

41

FILI

I

Filter input for the master clock of the playback EFM system master PLL

 

 

 

 

42

FILO

O

Filter output for the master clock of the playback EFM system master PLL

 

 

 

 

43

CLTV

I

Internal VCO control voltage input for the playback EFM system master PLL

 

 

 

 

44

PEAK

I

Peak hold signal input of the light amount signal (RF/ABCD) from RF amp (IC501)

 

 

 

 

45

BOTM

I

Bottom hold signal input of the light amount signal (RF/ABCD) from RF amp (IC501)

 

 

 

 

46

ABCD

I

Light amount signal (ABCD) input from RF amp (IC501)

 

 

 

 

47

FE

I

Focus error signal input from RF amp (IC501)

 

 

 

 

48

AUX1

I

Support signal (I3 signal/temperature signal) input terminal (A/D input)

 

 

 

 

 

49

VC

I

Middle point voltage (+1.2 V) input terminal

 

 

 

 

 

 

50

ADIO

O

Monitor output of A/D converter input signal

Not used (open)

 

 

 

 

51

ADRT

I

A/D converter the upper limit voltage input (fixed at “H” in this set)

 

 

 

 

 

31

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Image 31
Sony R500PC MIC Sense, Xtest, MIFVSS3, Set Key Vl Mon, Rec Key, Half Lock SW, Avss, Vdiosc, Osci, Osco, Vsiosc, Vrefl

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