Sony PRS-500 Service Manual page 39

Pin No. Pin Name
49 KEYLED
50 LED_1
51 LED_2
52 USBBOOT
53 KEY-ON
54 P95
55 VSS
56 N.C.
57 RTS
58 RXD
59 TXD
60 N.C.
61 AVCC
62 N.C.
63 BATT-LI
64 N.C.
I/O
O Key LED output
O LED 1 output
O LED 2 output (Not used (Open))
O Boot mode control
O Key-INT signal control output
O Not used (Fixed to "H")
— Ground
I Not used (Fixed to "L")
O RTS(UART) input
I RXD(UART) input
O TXD(UART) input
I Not used (Fixed to "L")
— 2.9V DC input
I Not used (Fixed to "L")
I Lithium battery DC input
I Not used (Fixed to "L")
Description
PRS-500
39