LC877424A Datasheet, PDF (7/22 Pages) Sanyo Semicon Device – 8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 byte RAM on Chip

System Block Diagram
LC877448A/40A/32A/24A
Interrupt Control
Stand-by Control
SIO0
CF
RC
MRC
X’tal
Bus Interface
Port 0
SIO1
Timer 0
(high-speed clock counter)
Timer 1
Port 1
Port 3
Port 7
Base Timer
Port 8
LCD Controller
INT0 to 5
Noise Rejection Filter
Timer 4
ADC
Weak Signal
Detector
Timer 6
Timer 5
Timer 7
IR
PLA
ROM
PC
ACC
B Register
C Register
ALU
PSW
RAR
RAM
Stack Pointer
Watchdog Timer
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