Ic Pin Function Description - Sony NW-MS9 Service Manual

5-12. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC7001 CXD9534BGG (SYSTEM CONTROLLER)
Pin No. Pin Name
1 to 7 D6 to D0
8 VDDIO1
9 VSSIO1
10 to 18 A18 to A10
19 VDDIO1
20 to 28 A9 to A1
29 A0
30 VSSIO1
31 VDDIO1
32 MCLK
33 XRW
34, 35 MAS1, MAS0
36 XOPC
37 XMREQ
38 VSSCORE
39 VDDCORE
40 XWAIT
41 XRSTOUT
42, 43 BS1, BS0
44 XOE
45 XWE
46 XUB
47 XLB
48 XCS1
49 XCS0
50 PWM3
51 PWM2
52, 53 PWM1, PWM0
54 VSSIO1
55 to 59 GIOE7 to GIOE3
60 RTC CS
61 SAM RST
62 HPBB1, 2
63 VDDIO1
64 ATCRO
65 VSSIO1
66 WAKE4
67 WAKE3
68 WAKE2
I/O
Two-way data bus with the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA
I/O
(IC8000)
—
Power supply terminal (+2.8V)
—
Ground terminal
Address signal output to the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA
O
(IC8000)
—
Power supply terminal (+2.8V)
Address signal output to the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA
O
(IC8000)
O
Address signal output terminal Not used (open)
— Ground terminal
—
Power supply terminal (+2.8V)
O
Not used (open)
O
Not used (open)
O Not used (open)
O
Not used (open)
O
Not used (open)
—
Ground terminal
— Power supply terminal (+1.8V)
O
Not used (open)
O
Reset signal output terminal "L": reset Not used (open)
O
Not used (open)
Output enable signal output to the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA
O
(IC8000) "L" active
Write enable signal output to the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA
O
(IC8000) "L" active
O
Write enable signal output to the S-RAM (IC5600) (upper byte) "L" active
O
Write enable signal output to the S-RAM (IC5600) (lower byte) "L" active
O
Chip select signal output to the demultiplexer (IC5800)
O Chip select signal output to the flash memory (IC5000)
O
Not used (open)
O
Beep sound control signal output
O
Not used (open)
— Ground terminal
I
Key input from the console unit
O
Chip select signal output to the RV5C348A (IC1001)
O
Reset signal output to the CXD1859GA (IC8000)
O Bass boost level control signal output to the headphone amplifier (IC3200)
—
Power supply terminal (+2.8V)
O
System wake up signal output to the WAKE0 (pin u;)
—
Ground terminal
System wake up signal from the reset signal generator (IC9007)
I
Input the signal, when inserts the rechargeable battery
System wake up signal from the CXD1859GA (IC8000) or voltage detector (IC9002)
I
Input the signal, when input the USB power
I
Interrupt request signal input from the CXD1859GA (IC8000)
Description
NW-MS9
31