
Preliminary W78E378/W78C378/W78C374
- 4 -
Pin Description, Continued
PIN NAME
P2.0 (DAC8)
I/O
I/O General purpose I/O, DAC8 Special Function output
Sink/Source current: 4 mA/-100
μ
A (-4 mA for SF output)
I/O General purpose I/O, DAC9 Special Function output
Sink/Source current: 4 mA/-100
μ
A (-4 mA for SF output)
I/O General purpose I/O, DAC10 Special Function output
Sink/Source current: 4 mA/-100
μ
A (-4 mA for SF output)
I/O General purpose I/O, Hclamp Special Function output
Sink/Source current: 4 mA/-100
μ
A (-4 mA for SF output)
I/O General purpose I/O, ADC input channel 0
Sink/Source current: 4 mA/-100
μ
A
I/O General purpose I/O, ADC input channel 1
Sink/Source current: 4 mA/-100
μ
A
I/O General purpose I/O, ADC input channel 2
Sink/Source current: 4 mA/-100
μ
A
I/O General purpose I/O, ADC input channel 3
Sink/Source current: 4 mA/-100
μ
A
I/O General purpose I/O, DDC port serial data I/O
Schmitt trigger input
V
IH
/V
IL
= 0.7 V
DD
/0.3 V
DD
, V+/V- = ~0.6 V
DD
/ 0.4 V
DD
Open-drain output
, sink current: 8 mA
I/O General purpose I/O, DDC port serial clock I/O
Schmitt trigger input
V
IH
/V
IL
= 0.7 V
DD
/0.3 V
DD
, V+/V- = ~0.6 V
DD
/ 0.4 V
DD
Open-drain output
, sink current: 8 mA
I/O
General purpose I/O, INT0 input
Sink/Source current: 1 mA/ -100
μ
A
I/O General purpose I/O, H
OUT
special function output
Sink/Source current: 4 mA/-100
μ
A (-4 mA for SF output)
I/O General purpose I/O, V
OUT
special function output
Sink/Source current: 4 mA/-100
μ
A (-4 mA for SF output)
I/O General purpose I/O, ADC input channel 4
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, ADC input channel 5
Open-drain output
, sink current: 4 mA
I/O General purpose I/O, ADC input channel 6
Open-drain output
, sink current: 4 mA
DESCRIPTION
P2.1 (DAC9)
P2.2 (DAC10)
P2.3 (Hclamp)
P2.4 (ADC0)
P2.5 (ADC1)
P2.6 (ADC2)
P2.7 (ADC3)
P3.0 (SDA)
P3.1 (SCL)
P3.2 (INT0 )
P3.3 (H
OUT
)
P3.4 (V
OUT
)
P3.5 (ADC4, T0)
P3.6 (ADC5, T1)
P3.7 (ADC6)