Diagrams; Ic Pin Description - Sony ICD-P17 Service Manual

5-1. IC PIN DESCRIPTION

• IC702 MB91F233-148 (SYSTEM CONTROL) (MAIN BOARD)
Pin No. Pin Name
1 DSPSCK
2 FLMCLE
3 – 10 DATA0 – DATA7
11 XFLMCS0
12 DSPSYSCK
13 X0A32K
14 X1A32K
15 VCC3BCK
16 VSS
17 VCC3LGC
18 BEEP
19 XFLMWE
20 XFLMRE
21 FLMALE
22 FLMRB
23 XFLMWP
24 – 30 USBADR0 – 6
31 XUSBCS
32 XUSBRD
33 XUSBRST
34 XUSBLWR
35 XFLMPWR
36 AVSS
37 AVREF
38 AVSS
39 BATT
40 KEYIN0
41 KEYIN1
42 XBATTEN
43 – 45 PC4 – PC6
46 LMUTE
47 VSS
48 AVCC3IO
49 – 74 SEG0 – SEG25
75 DVCC
76 DVSS
77 – 82 SEG26 – SEG31
83 – 86 COM0 – COM3
87 MOD2
88, 89 MOD1, MOD0
90 XCPURST
91 – 94 LCDV0 – LCDV3
95 RX
96 TX
97 PO2
98 RTCSIN
99 RTCSOT
100 RTCSCK
101 RTCCS
102 XDSPRST
103 WAKEUP
SECTION 5

DIAGRAMS

I/O
O Serial clock signal output to the DSP IC (IC101)
O Command latch enable signal output to the flash memory IC (IC701)
I/O Data input/output with the flash memory IC (IC701) and USB controller IC (IC8101)
O Chip enable signal output to the flash memory IC (IC701)
O System clock control signal output for DSP (IC101)
I 32 kHz oscillator pin (32 kHz signal input) (IC703)
— 32 kHz oscillator pin
— Power supply pin for internal logic back up
— Ground pin
— Internal logic power supply pin
O Beep signal output
O Write enable signal output to the flash memory IC (IC701)
O Read enable signal output to the flash memory IC (IC701)
O Address latch enable signal output to the flash memory IC (IC701)
I Ready/busy signal input from the flash memory IC (IC701)
O Write protect signal output to the flash memory IC (IC701)
O Address signal output to the USB controller IC (IC8101)
O Chip select signal output to the USB controller IC (IC8101)
O Read strob signal output to the USB controller IC (IC8101)
O Reset signal output to the USB controller IC (IC8101)
O Low write strob signal output to the USB controller IC (IC8101)
O Power control signal output for flash memory
— Power supply pin for analog
— Reference power supply pin
— Ground pin for analog
I Battery voltage detection signal input
I Key 0 A/D input
I Key 1 A/D input
O Battery detection control signal output
I Not used in this set. (Open)
O Mute signal output
— Ground pin
— Power supply pin
O LCD segment signal output to the LCD901
— Power supply pin
— Ground pin
O LCD segment signal output to the LCD901
O LCD common signal output to the LCD901
I Operation mode signal input
I Operation mode signal input (Fixed at "L" in this set.)
I CPU external reset signal input to the reset IC (IC704)
— LCD reference power supply input pin
I Input/output port (Flash write RX)
O Input/output port (Flash write TX)
O Not used in this set. (Open)
I Serial data signal input from the real time clock IC (IC703)
O Serial data signal output to the real time clock IC (IC703)
O Serial clock signal output to the real time clock IC (IC703)
O Chip select signal output to the real time clock IC (IC703)
O Reset signal output to the DSP IC (IC101)
I Wake up interruption signal input
Pin Description
ICD-P17
11