W78E378 Datasheet, PDF (6/38 Pages) Winbond – MONITOR MICROCONTROLLER

Preliminary W78E378/W78C378/W78C374
BLOCK DIAGRAM
VDD VSS
OSCIN
OSCOUT
RESET
80C31 Core excluding internal RAM
Note:
freq1 = freq2
freq2
freq1
Osc.
Circuit
CPU
Interrupt
Processor
Reset
Circuit
Timer 0
Timer 1
INT0 (P3.2)
T0 (P3.5)
T1 (P3.6)
Power Low
Detection
I/O Port
VPP (P3.2)
HIN, VIN
HFI (P4.0)
VOUT (P3.4)
HOUT (P3.3)
Hclamp (P2.3)
HFO (P4.7)
ADC0 (P2.4)
ADC1 (P2.5)
ADC2 (P2.6)
ADC3 (P2.7)
ADC4 (P3.5)
ADC5 (P3.6)
ADC6 (P3.7)
Watch Dog
Timer
Program Memory
Data Memory
RAM: 576 Bytes
Sync.
Processor
SIO1
SIO2
Static DACs
ADC
Dynamic DACs
8-bit Internal Bus
P1, P2, P3
P4
Note:
P1, P4.4~P4.5
P3.0~P3.1 & P3.5~P3.7
are open-drain.
SCL (P3.1)
SDA (P3.0)
SCL2 (P4.4)
SDA2 (P4.5)
DAC0~7 (P1.0~P1.7)
DAC8~10 (P2.0~P2.2)
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