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
Summary of Contents for PRS-505
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