29
ICD-MS525
Pin No.
65
66
67
68 to 75
76
77 to 84
85
86 and 87
88
89
90
91
92
93
94
95
96 to 98
99
100
Pin Name
XRST
XSTBY
BOOT
D0_ 7
Vss
D8_ D15
AVss
KEY0,KEY1
BATT
XEEPRB
HOLDSW
SDI1
HPJACK
MSEJINT
VREF
AVcc
MD0_ MD2
TEST
CCVDD
I/O
I
I
I
I/O
—
I/O
—
I
I
I
I
I
I
I
I
I
I
I
—
Description
Reset input (L: Reset)
Standby (L: HW standby)
Boot pin, not used. (set at “L”)
SRAM and USB data bus
Ground
SRAM and USB data bus
GND for A/D
Key entry 0 and 1
Battery level input
READY/BUSY signal for EEPROM
HOLD switch entry
Serial data input for RTC and EEPROM
Headphones switch
Memory Stick ejection detection
Reference voltage for A/D (3.1 V)
Power supply for A/D (3.1 V)
Mode pin
Test pin
Core power supply 2.6 V