SH79F3283
2
3. Block Diagram
32K Bytes
Flash ROM
Internal 256 Bytes
External 1280Bytes
(Exclude System
Register)
Oscillator
Pipelined 8051 architecture
Timer2 (16bit)
Timer3 (16bit)
Timer4 (16bit)
Timer5(16bit)
Reset circuit
RST
XTAL2
XTAL1
VDD
External Interrupt
Buzzer
Power
Watch Dog
oscillator fail
detector
12-bit PWM
8 bit PWM
Internal
Oscillator
Port 3
Configuration I/Os
Port 4
Configuration I/Os
P1.0 ~ P1.7
P2.0 ~ P2.7
P0.0 ~ P0.7
Port 2
Configuration I/Os
P3.0~ P3.7
EUART0/1
12-bit ADC
Jtag ports
(for debug)
Port 5
Configuration I/Os
LCD/LED Driver
COM1~8
SEG1~28
Port 1
Configuration I/Os
P4.0~ P4.7
Port 0
Configuration I/Os
P5.0~P5.5
Oscillator X
XTALX2
XTALX1
SPI
Frequency Detect
2 X COMPARATOR
CRC