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