Rev. 1.00, 09/03, page 13 of 704
Type
Symbol
Pin No.
I/O
Name and Function
SCL0, SCL1
SCL2, SCL3
102, 100
103, 105
I/O I
2
C clock input/output pins. These pins can drive
a bus directly with the NMOS open drain output.
I
2
C bus
interface 3
(IIC3)
SDA0, SDA1
SDA2, SDA3
101, 99
104, 106
I/O I
2
C data input/output pins. These pins can drive
a bus directly with the NMOS open drain output.
AN15 to AN0 70 to 55
Input
Analog input pins
A/D
converter
ADTRG
87
Input
External trigger input pin to start A/D conversion
AVCC
71
Input
Analog power supply pin for the A/D converter.
When the A/D converter is not used, this pin
should be connected to the system power supply
(+3.3 V).
AVref
72
Input
Reference power supply pin for the A/D
converter. When the A/D converter is not used,
this pin should be connected to the system
power supply (+3.3 V).
AVSS
54
Input
Ground pin for the A/D converter. This pin
should be connected to the system power supply
(0 V).
I/O ports
P07 to P00
70 to 63
Input
Eight input pins
P17 to P10
116, 117,
119 to 124
I/O
Eight input/output pins
P27 to P20
107 to 114 I/O
Eight input/output pins
P37 to P30
125 to 4
I/O
Eight input/output pins
P47 to P40
76 to 73,
52 to 49
I/O
Eight input/output pins
P57 to P50
48 to 41
I/O
Eight input/output pins
P67 to P60
5 to 12
I/O
Eight input/output pins
P77 to P70
62 to 55
Input
Eight input pins
P87 to P80
87 to 90
99 to 102
I/O
Eight input/output pins
P97 to P90
22 to 14
I/O
Eight input/output pins
PA7 to PA0
91 to 98
I/O
Eight input/output pins
PB7 to PB0
85, 84,
82 to 77
I/O
Eight input/output pins
PC7 to PC4
*
1
40, 38,
36, 35
Input Four
input
pins
PC3 to PC0
106 to 103 I/O
Four input/output pins
Summary of Contents for H8S/2437
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