Sony PRS-505/SC Service Manual - Page 39

Main Board, Ic801, Hd64f38004fp10v-v198, Sub Cpu

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PRS-505 MAIN BOARD IC801 HD64F38004FP10V-V198 (SUB CPU) Pin No. Pin Name I/O Description 1 BATT-DC I Power supply input from the AC adaptor 2 X1 I System clock input terminal (32.768 kHz) 3 X2 O System clock output terminal (32.768 kHz) 4 VSS - Ground terminal 5 OSC2 O System clock output terminal (4.9152 MHz) 6 OSC1 I System clock input terminal (4.9152 MHz) 7 TEST I Connect to ground 8 XRESET I System reset signal input terminal "L": reset 9 ISET1 I Charge current setting siganal input terminal 10 ISET2 O Charge current setting siganal output to the charge control 11 to 13 P33 to P35 - Connect to power supply 14, 15 STAT1, STAT2 I Charge state monitor input from the charge control 16 VCC - Power supply terminal (+2.9V) 17 to 19 V1 to V3 - Connect to power supply 20 PWRON O Main power on/off control signal output terminal "H": main power on 21 AD_ON O Rechargeable battery input control signal output terminal "H": rechargeable battery input 22 POR O Power on reset signal output to the main CPU "H": reset 23 XM_RESET O Master reset signal output to the main CPU "L": reset 24 USBON O USB charge on/off control signal output terminal "H": USB charge on 25 to 29 KEY_OUT7 to KEY_OUT3 O Key scan signal output terminal Not used 30 to 32 KEY_OUT2 to KEY_OUT0 O Key scan signal output terminal 33 to 40 KEY_IN7 to KEY_IN0 I Key scan signal input terminal 41 KEY-INT I Key scan interrupt input from the KEY-ON (pin 53) 42 CTS I Clear to send signal input from the main CPU 43 USBDET I USB cable connect signal input terminal "H": USB cable is connected 44 LOW-BATT-LI I Rechargeable battery low detect signal input terminal 45 WKP3 I Not used 46 USBCHG I USB charge enable signal input from the main CPU 47 DCDET I External DC power state detection signal input from the charge control "L": external DC power on 48 STBY_SW I Power switch signal input terminal 49 KEYLED O LED drive signal output terminal Not used 50 LED_1 O LED drive signal output terminal for USB indicator "H": LED on 51 LED_2 O LED drive signal output terminal Not used 52 USBBOOT O Main CPU boot mode control signal output to the main CPU 53 KEY-ON O Key scan interrupt signal output to the KEY-INT (pin 41) 54 P95 O Connect to power supply 55 VSS - Ground terminal 56 IRQAEC I Not used 57 RTS O Request to send signal output to the main CPU 58 RXD I Serial data input from the main CPU 59 TXD O Serial data output to the main CPU 60 IRQ0 I Not used 61 AVCC - Power supply terminal (+2.9V) 62 AN0 I Not used 63 BATT-LI I Rechargeable battery input terminal 64 AN2 I Not used 39

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PRS-505
39
MAIN BOARD
IC801
HD64F38004FP10V-V198
(SUB CPU)
Pin No.
Pin Name
I/O
Description
1
BATT-DC
I
Power supply input from the AC adaptor
2
X1
I
System clock input terminal (32.768 kHz)
3
X2
O
System clock output terminal (32.768 kHz)
4
VSS
-
Ground terminal
5
OSC2
O
System clock output terminal (4.9152 MHz)
6
OSC1
I
System clock input terminal (4.9152 MHz)
7
TEST
I
Connect to ground
8
XRESET
I
System reset signal input terminal
"L": reset
9
ISET1
I
Charge current setting siganal input terminal
10
ISET2
O
Charge current setting siganal output to the charge control
11 to 13
P33 to P35
-
Connect to power supply
14, 15
STAT1, STAT2
I
Charge state monitor input from the charge control
16
VCC
-
Power supply terminal (+2.9V)
17 to 19
V1 to V3
-
Connect to power supply
20
PWRON
O
Main power on/off control signal output terminal
"H": main power on
21
AD_ON
O
Rechargeable battery input control signal output terminal
"H": rechargeable battery input
22
POR
O
Power on reset signal output to the main CPU
"H": reset
23
XM_RESET
O
Master reset signal output to the main CPU
"L": reset
24
USBON
O
USB charge on/off control signal output terminal
"H": USB charge on
25 to 29
KEY_OUT7 to
KEY_OUT3
O
Key scan signal output terminal
Not used
30 to 32
KEY_OUT2 to
KEY_OUT0
O
Key scan signal output terminal
33 to 40
KEY_IN7 to KEY_IN0
I
Key scan signal input terminal
41
KEY-INT
I
Key scan interrupt input from the KEY-ON (pin 53)
42
CTS
I
Clear to send signal input from the main CPU
43
USBDET
I
USB cable connect signal input terminal
"H": USB cable is connected
44
LOW-BATT-LI
I
Rechargeable battery low detect signal input terminal
45
WKP3
I
Not used
46
USBCHG
I
USB charge enable signal input from the main CPU
47
DCDET
I
External DC power state detection signal input from the charge control
"L": external DC power on
48
STBY_SW
I
Power switch signal input terminal
49
KEYLED
O
LED drive signal output terminal
Not used
50
LED_1
O
LED drive signal output terminal for USB indicator
"H": LED on
51
LED_2
O
LED drive signal output terminal
Not used
52
USBBOOT
O
Main CPU boot mode control signal output to the main CPU
53
KEY-ON
O
Key scan interrupt signal output to the KEY-INT (pin 41)
54
P95
O
Connect to power supply
55
VSS
-
Ground terminal
56
IRQAEC
I
Not used
57
RTS
O
Request to send signal output to the main CPU
58
RXD
I
Serial data input from the main CPU
59
TXD
O
Serial data output to the main CPU
60
IRQ0
I
Not used
61
AVCC
-
Power supply terminal (+2.9V)
62
AN0
I
Not used
63
BATT-LI
I
Rechargeable battery input terminal
64
AN2
I
Not used