Preliminary W78E378/W78C378/W78C374
PIN DESCRIPTION
PIN NAME
I/O
DESCRIPTION
I/O Chip reset input (active low) input &
RESET
Internal reset output (generated by WDT or power low)
TTL Schmitt trigger input, internal pull-up ~30 K
W
OL
OL
= +12 mA @V = 0.45V
I
DD
V
-
-
Positive power supply
SS
V
Ground
SS
V
-
Ground
OUT
OSC
O
I
Output from the inverting oscillator amplifier
IN
OSC
Input to the inverting oscillator amplifier, 10 MHz max.
Hsync input
IN
H
I
TTL Schmitt trigger input , w/o PMOS
IH IL
V /V = 2.0V/0.8V, V+/ V- = ~1.6V/ 1.1V
IN
V
I
Vsync input
TTL Schmitt trigger input, w/o PMOS
IH IL
V /V = 2.0V/0.8V, V+/ V- = ~1.6V/ 1.1V
P1.0 (DAC0)
P1.1 (DAC1)
P1.2 (DAC2)
P1.3 (DAC3)
P1.4 (DAC4)
P1.5 (DAC5)
P1.6 (DAC6)
P1.7 (DAC7)
I/O General purpose I/O, DAC0 special function output
Open-drain output
, sink current: 15 mA
I/O General purpose I/O, DAC1 special function output
Open-drain output
, sink current: 15 mA
I/O General purpose I/O, DAC2 special function output
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, DAC3 special function output
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, DAC4 special function output
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, DAC5 special function output
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, DAC6 special function output
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, DAC7 special function output
Open-drain output
, sink current: 4 mA
Publication Release Date: December 1999
Revision A1
- 3 -
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