LC877816A_08 Datasheet, PDF (8/21 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC877816A/12A/08A
Pin Description
Pin name
I/O
VSS1, VSS2
-
VDD1, VDD2
-
VDC
-
CUP1, CUP2
-
PORT0
I/O
P00 to P07
PORT1
I/O
P10 to P17
PORT7
I/O
P70 to P73
Function
- Power supply
+ Power supply
+ Power supply
• Capacitor connecting terminals for step-up/step-down
• 8bit input/output port
• Data direction programmable in nibble units
• Use of pull-up resistor can be specified in nibble units
• Input for HOLD release
• Input for port 0 interrupt
• Other pin functions
Input for ADC channel (AN0 to AN4)
P05: Clock output (system clock/subclock)
When it’s LC87F7032A, P05 uses as DBGP0.
P06: Timer 6 toggle output
When it’s LC87F7032A, P06 uses as DBGP1.
P07: Timer 7 toggle output
When it’s LC87F7032A, P07 uses as DBGP2.
• 8bit input/output port
• Data direction programmable for each bit
• Use of pull-up resistor can be specified for each bit individually
• Other pin functions
P10: SIO0 data output
P11: SIO0 data input or bus input/output
P12: SIO0 clock input/output
P13: IO1 data output
P14: SIO1 data input or bus input/output
P15: SIO1 clock input/output
P16: Timer 1 PWML output
P17: Timer 1 PWMH output/Buzzer output
• 4bit Input/output port
• Data direction can be specified for each bit
• Use of pull-up resistor can be specified for each bit individually
• Other functions
P70: INT0 input/HOLD release input/Timer 0L capture input/output for watchdog timer/AN5
P71: INT1 input/HOLD release input/Timer 0H capture input/AN6
P72: INT2 input/HOLD release input/timer 0 event input/Timer 0L capture input/AN7
P73: INT3 input (noise rejection filter attached)/timer 0 event input/Timer 0H capture input/AN8
Input for ADC channel (AN5 to AN8)
• Interrupt acknowledge type
Rising
Falling
Rising &
falling
H level
L level
INT0
enable
enable
disable
enable
enable
INT1
enable
enable
disable
enable
enable
INT2
enable
enable
enable
disable
disable
INT3
enable
enable
enable
disable
disable
S0 to S15
O
• Segment output for LCD
S16/PC0 to
I/O
• Segment output for LCD
S23/PC7
• Can be used as general purpose input/output port (PC)
COM0 to COM3
O
• Common output for LCD
V1 to V3
RES
I/O
• LCD output bias power supply
• Capacitor connecting terminals for step-up/step-down
I
• Reset terminal
XT1
I
• Input for 32.768kHz crystal oscillation
• When not in use, connect to VDD2
XT2
I/O
• Output for 32.768kHz crystal oscillation
• When not in use, set to oscillation mode and leave open
CF1
I
• Input terminal for ceramic oscillator
• When not in use, connect to VDD2
CF2
O
• Output terminal for ceramic oscillator
• When not in use, leave open
Option
No
No
No
No
Yes
Yes
No
No
No
No
No
No
No
No
No
No
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