Pin Description
M30240 Group
Rev.1.00 Sep 24, 2003 Page 8 of 360
43-50
P2
7
/LED7
~ P2
0
/LED0
I/O CMOS I/O port. These pins are capable of driving up to 20mA (peak) for LEDs.
51
V
cc
I
Power: V
cc
= 4.1~ 5.25V
52
P1
7
/KI
15
I/O CMOS I/O port. This port can also function as the key-on wakeup interrupt KI15.
53
V
ss
I
Ground: V
ss
= 0V
54-60
P1
6
/KI
14
~ P1
0
/KI
8
I/O
CMOS I/O port. This port can also function as the key-on wakeup interrupts (KI8
~ KI14
).
61-68
P0
7
/KI
7
~ P0
0
/KI
0
I/O
CMOS I/O port. This port can also function as the key-on wakeup interrupts (KI0
~ KI7
).
69-76
P10
7
~ P10
0
I/O
CMOS I/O port. These pins also function as Analog inputs 7-0 for A-D
conversion
77
AV
ss
I This pin is a power supply input for the AD converter. (Connect to Vss)
78 LPF O Loop filter for the frequency synthesizer.
79
V
REF
I This pin is the reference voltage input for the A-D converter.
80
AV
cc
I This pin is a power supply input for the AD converter. (Connect to Vcc)
Pin # Name I/O Description
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