19
Table 1.3
Pin Functions (cont)
Pin No.
Type
Symbol
FP-100B,
TFP-100B,
TFP-100G
FP-100A
I/O
Name and Function
Serial
communication
interface (SCI)
Smart Card
interface
TxD1,
TxD0
9, 8
11, 10
Output Transmit data (channel 0, 1):
Data output pins.
RxD1,
RxD0
11, 10
13, 12
Input
Receive data (channel 0, 1):
Data input pins.
SCK1
SCK0
13, 12
15, 14
I/O
Serial clock (channel 0, 1):
Clock I/O pins.
A/D converter
AN7 to
AN0
ADTRG
86 to 79
88 to 81
Input
Analog 7 to 0: Analog input pins.
93
95
Input
A/D conversion external trigger input:
Pin for input of an external trigger to
start A/D conversion.
D/A converter
DA1, DA0
86, 85
88, 87
Output Analog output: D/A converter analog
output pins.
A/D converter
and D/A
converters
AV
CC
77
79
Input
This is the power supply pin for the
A/D converter and D/A converter.
When the A/D converter and D/A
converter are not used, this pin
should be connected to the system
power supply (+5 V).
AV
SS
87
89
Input
This is the ground pin for the A/D
converter and D/A converter.
This pin should be connected to the
system power supply (0 V).
V
ref
78
80
Input
This is the reference voltage input pin
for the A/D converter and D/A
converter.
When the A/D converter and D/A
converter are not used, this pin
should be connected to the system
power supply (+5 V).
I/O ports
P1
7
to
P1
0
6 to 1,
100, 99
8 to 1
I/O
Port 1: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port 1 data direction
register (P1DDR).
P2
7
to
P2
0
92 to 89,
59,
56 to 54
94 to 91,
61,
58 to 56
I/O
Port 2: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port 2 data direction
register (P2DDR).