Read Sony NW-MS7 Service Manual online
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4-1. IC PIN DESCRIPTION
• IC701 HD64F7198RVDP16 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
XCS5 F_XCS
O
EEPROM chip select signal output terminal
2
XCS4 LCD_XCS
O
LCD chip select signal output terminal
3
VCC
—
Power supply terminal
4
XCS3 U_XCS
O
USB chip select signal output terminal
5
XCS2 SRAM_XCS
O
S-RAM chip select signal output terminal
6
XCS1 S_XCS
O
MG IC chip select signal output terminal
7
CHARGE_LED
O
Battery charge LED signal output terminal
8
VSS
—
Ground
9
PA19 MS_INS
I
Memory stick insertion signal input terminal
10
XRD
O
Read signal output terminal
11
MS_BS
O
Memory stick interface byte cycle signal output terminal
12
MS_DIO
I/O
Memory stick interface data signal input/output terminal
13
MS_CLK
O
Memory stick interface clock signal output terminal
14
XWRLH S_XWRH
O
H side write signal output terminal
15
XWRLL S_XWRL
O
L side write signal output terminal
16
PA12 XWAIT
I
Wait signal input terminal
17
PA8 RTC_CE
O
Real time clock chip enable signal output terminal
18
PA4 RTC_CLK
O
Real time clock signal output terminal
19
PA0 RTC_SIO
I/O
Real time clock serial data signal input/output terminal
20
TXD1
O
Transceiver data signal output terminal Not used. (Open)
21
RXD1
I
Receive data signal input terminal Not used. (Open)
22
VCC
—
Power supply terminal
23
VSS
—
Ground
24
TXD0 LCD_SDA
O
LCD transceiver IIC data signal output terminal
25
RXD0 LCD_SDA
I
LCD receive IIC data signal input terminal
26
VSS
—
Ground
27
VCC
—
Power supply terminal
28
PB17 G_XLAT
O
ATRAC3 IC serial latch signal output terminal
29
PB16
O
Output port terminal Not used. (Open)
30
PB13
O
Output port terminal Not used. (Open)
31
PB7 G_SCLK
O
ATRAC3 IC system clock signal output terminal
32
PB6 G_SWDT
O
ATRAC3 IC watch dog timer signal output terminal
33
VSS
—
Ground
34
PC25 AU_PWR
O
Audio power signal output terminal
35
PC24 PCON
O
System power control signal output terminal
36
PC23
O
Output port terminal Not used. (Open)
37
PC22 S_CLKOFF
O
MG IC clock off signal output terminal
38
PC21 S_PWR
O
MG IC power signal output terminal
39
VCC
—
Power supply terminal
40
PC20
O
Output port terminal Not used. (Open)
41
PC19
O
Output port terminal Not used. (Open)
42
PC18 MS_PWR
O
Memory stick interface power signal output terminal
43
VSS
—
Ground
44 – 50
A17 – A11
O
Address bus signal output terminal
51
VSS
—
Ground
52
A10
O
Address bus signal output terminal
53
VCC
—
Power supply terminal
54 – 59
A9 – A4
O
Address bus signal output terminal
60
VCC
—
Power supply terminal
61
VSS
—
Ground
62 – 65
A3 – A0
O
Address bus signal output terminal
SECTION 4
DIAGRAMS
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