Sony ICD-MS525 Service Manual page 28

ICD-MS525
IC1701 LC67F5006A-132 (SYSTEM CONTROL) (MAIN BOARD)
Pin No. Pin Name I/O
1 GND —
2 XAMPSTBY O
3 XOE O
4 WAKEUP
5 DSPPWR O
6 XUSBIRQ
7 USBDET
8 DSPIFREQ
9 RXD
10 GND —
11 TXD O
12 SCK0 O
13 SDO0 O
14 SDI0
15 XSRCS O
16 XWE O
17 XUB O
18 XLCDCS O
19 CIVDD —
20 XUSBCS O
21 LCDSCK O
22 LCDDO O
23 SCK1 O
24 SDO1 O
25 XLCDRST O
26 and 27 A15,A16 O
28 CCVDD —
29 SIPCLK O
30 BEEP O
31 DREQ
32 DSPSYSCK O
33 RTCCS O
34 FSCLK O
35 XDSPSIOEN O
36 MSPWR O
37 MSCLK O
38 MSDIO I/O
39 MSBS O
40 MSINS
41 CIVDD —
42 XLB O
43 to 48 A0_ A5 O
49 A6 O
50 GND —
51 to 58 A7_ A14 O
59 CVDD —
60 É" O
61 CIVDD —
62 CF1
63 CF2 O
64 GND —
28
Ground
Audio amplifier standby
SRAM output enable, USB read strobe
I KEY WAKE UP interrupt
DSP power supply control
I USB driver interrupt request (Not used)
I USB detect interrupt
I DSP I/F interrupt request
I Serial data input (Not used)
Ground
Serial data output (Not used)
Serial clock for DSP I/F
Serial data output for DSP I/F
I Serial data input for DSP I/F
SRAM chip select
SRAM write enable
Higher byte enable for SRAM
Chip select for LCD driver I/F
I/O power supply 3.1 V
Chip select for USB (Not used)
Serial clock for LCD driver I/F
Serial data output for LCD driver I/F
Serial clock for RTC and EEPROM
Serial data output for RTC, S/P and EEPROM
LCD reset
SRAM address bus
Core power supply 2.6 V
Clock for S/P
Beep
I USB DMA request input
System clock for DSP
Chip select for RTC
2FS clock output
DSP I/F SIO enable
Memory Stick power supply control
Clock for Memory Stick
Serial data for Memory Stick
BS for Memory Stick
I INS for Memory Stick
I/O power supply 3.1 V
SRAM lower byte enble
SRAM and USB address bus
SRAM address bus
Ground
SRAM address bus
Core power supply 2.6 V
System clock output
I/O power supply 3.1 V
I CF oscillator pin
CF oscillator pin
Ground
Description