LC875CC8A Datasheet, PDF (11/29 Pages) Sanyo Semicon Device – ROM 128K/112K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC875CC8A/B2A
Continued from preceding page.
Pin Name
I/O
Function description
Port 7
P70 to P73
I/O
• 4-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
• Other functions
P70: INT0 input/HOLD release input/timer 0L capture input/output for watchdog timer
P71: INT1 input/HOLD release input/timer 0H capture input
P72: INT2 input/HOLD release input/timer 0 event input/timer 0L capture input
P73: INT3 input with noise filter/timer 0 event input/timer 0H capture input
• 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
• AD converter input port: AN8 (P70), AN9 (P71)
Port 8
I/O
• 8-bit I/O port
P80 to P87
• I/O specifiable in 1-bit units
• Other functions
P80 to P87: AD converter input port
Port A
I/O
• 6-bit I/O port
PA0 to PA5
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
• Shared functions
PA3 to PA5: AD converter input port
Port B
I/O
• 8-bit I/O port
PB0 to PB7
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
Port C
I/O
• 8-bit I/O port
PC0 to PC7
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
Port E
I/O
• 8-bit I/O port
PE0 to PE7
• I/O specifiable in 2-bit units
• Pull-up resistor can be turned on and off in 1-bit units
Port F
I/O
• 8-bit I/O port
PF0 to PF7
• I/O specifiable in 2-bit units
• Pull-up resistor can be turned on and off in 1-bit units
SIO2 Port
I/O
• 4-bit I/O port
SI2P0 to SI2P3
• I/O specifiable in 1-bit units
• Shared functions:
SI2P0: SIO2 data output
SI2P1: SIO2 data input, bus I/O
SI2P2: SIO2 clock I/O
SI2P3: SIO2 clock output
PWM0
I/O
• PWM0 output port
• General-purpose I/O available
PWM1
I/O
• PWM1 output port
• General-purpose I/O available
RES
I
Reset pin
XT1
I
• Input terminal for 32.768kHz X'tal oscillation
• Shared functions:
AN10: AD converter input port
General-purpose input port
Must be connected to VDD1 if not to be used.
XT2
I/O
• Output terminal for 32.768kHz X'tal oscillation
• Shared functions:
AN11: AD converter input port
General-purpose I/O port
Must be set for oscillation and kept open if not to be used.
CF1
I
Ceramic resonator input pin
CF2
O
Ceramic resonator output pin
Option
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No.A0744-11/29