LC86F1216A
No.6686-6/21
Terminal Function
Terminal
Pin No.
Pad No.
Input/
Output
-
-
-
-
I/O
Function Description
VSS
VDD
VLCD
V1-5
PORT3
17,39,137
3,14,20,118
143
138-142
25-32
17,36-37,131
3,14,20,112
137
132-136
25-32
·Negative power supply
·Positive power supply
·Positive power supply (power supply for LCD driver)
·Power supply for LCD driver
·8 bit I/O port
(Output format: CMOS with pull-up resistor: P30-P37)
·I/O programmable for each bit individually
·Used for switch input
·Key interrupt input
·8 bit I/O port
(Output format: CMOS: P16, P17
Nch-OD: P10, P11, P12, P13, P14, P15)
(pull-up resistor: P10 - P17)
·I/O programmable for each bit individually
·Other functions
Terminal
P10
Serial OUT0
P11
Serial IN0
P12
Serial Clock0
P13
Serial OUT1
P14
Serial IN1
P15
Serial Clock1
P16
Buzzer output
P17
Timer1 output (PWM output)
·4bit input port (pull-up resistor: P70 - P73)
·External interrupt function
·Input only
·LCD controller
Common output terminals
·LCD controller
Segment output terminals
Serial
PORT1
33-35
40-44
33-35
38-42
I/O
PORT7
21-24
21-24
I
C01-C33
121-136
64-48
116-110
107-74
71-65
2
18
19
15
16
8
115-130
62-46
110-63
O
S01-S48
O
SUPCK
CF1
CF2
XT1
XT2
RCIN
2
18
19
15
16
8
O
I
O
I
O
I
·Externally boosted clock output terminal
·Input terminal for ceramic resonator
·Output terminal for ceramic resonator
·Input terminal for 32.768kHz X’tal
·Output terminal for 32.768kHz X’tal
·Input terminal for RC oscillation
Connect R between RCIN and RCOUT, and C between
RCIN and VSS.
·Output terminal for RC oscillation
Connect R between RCOUT and RCIN.
·Reset terminal
·Test terminal Leave open circuit.
·Test terminal Leave open circuit.
RCOUT
7
7
O
RES
TEST1
TEST2
13
11
12
13
11
12
I
-
-
Continued.