11
Table 1.2
Pin Functions (cont)
Pin No.
Type
Symbol
TFP-80F
TFP-80C
FP-80B
I/O
Name and Functions
Serial com-
munication
SI
1
11
13
Input
SCI1 receive data input: This is the
SCI1 data input pin
interface
(SCI)
SO
1
12
14
Output
SCI1 send data output: This is the SCI1
data output pin
SCK
1
10
12
I/O
SCI1 clock I/O :This is the SCI1 clock
I/O pin
RXD
14
16
Input
SCI3 receive data input: This is the
SCI3 data input pin
TXD
15
17
Output
SCI3 send data output: This is the SCI3
data output pin
SCK
3
13
15
I/O
SCI3 clock I/O: This is the SCI3 clock
I/O pin
A/D
c onv er ter
AN
7
to
AN
4
76 to 79
78 to 80,
1
Input
Analog input channels 4 to 7: These
are analog data input channels to the
A/D converter
ADTRG
9
11
Input
A/D converter trigger input: This is the
external trigger input pin to the A/D
converter
DTMF
generator
TONED
73
75
Output
DTMF signal: This is the output pin for
the DTMF signal