LC868016 Datasheet, PDF (10/28 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with 16/12/08K-Byte ROM and 640-Byte RAM On Chip

LC868016/12/08A
Name
Port4
P40 to P44
P46, P47
Port5
P50 to P57
Port7
P70 to P73
No.
79-83
84,85
105-98
86-89
I/O
Function description
Option
I/O •7-bit input/output port
•Pull-up resistor :
•Input/output can be specified each upper
Provided/Not provided
2 bits and lower 5 bits
•Output form :
•Another functions
CMOS/N-ch open drain
P40 CL1 Latch clock
P41 CL2 Shift clock
P42 DO Output data
P43 M Alternate signal
P44 FRM Frame signal
P46 RD Read signal
P47 WR Write signal
(P40-P44 : LCD display extend signal,
P46, P47 : External RAM access signal)
I/O •8-bit input/output port
•Pull-up resistor :
•Input/output in bit unit
Provided/Not provided
•External memory mode
1. EXT resistor bit 3=0 : input/output
•Output form :
CMOS/N-ch open drain
2. EXT resistor bit 3=1 : bank address output for
external memory
I •4-bit input port
•Pull-up resistor :
•Another functions
Provided/Not provided
P70 INT0 input/HOLD release/N-ch Tr.
output for watchdog timer
P71 INT1 input/HOLD release
P72 INT2 input/timer 0 event input
P73 INT3 input with noise filter/timer 0
event input
•Interrupt received form, vector address
leading trailing leading high low vector
& level level
trailing
INT0 enable enable disable enable enable 03H
INT1 enable enable disable enable enable 0BH
INT2 enable enable enable disable disable 13H
INT3 enable enable enable disable disable 1BH
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