Tc9457f, I/o ports, Hold , intr input port, reset input – Toshiba TC9457F User Manual
Page 12: A/d converter
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TC9457F
2002-10-21
12
I/O Ports
(P1-0 to P4-3)
Characteristics Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
High level
I
OH3
―
V
OH
= 4.5 V
−1
−2
―
I
OL3
―
V
OL
= 0.5 V
(exclude P4-1, 2, 3 pin)
1.5 3.0 ―
Output current
Low level
I
OL5
―
V
OL
= 0.5 V (P4-1, 2, 3 pin)
4
10
―
mA
Input leakage current
I
LI
―
V
IH
= 5.0 V, V
IL
= 0 V
―
― ±1.0
µA
High level
V
IH
―
―
MV
DD
× 0.8
~ MV
DD
Input voltage
Low level
V
IL
―
― 0
~
MV
DD
× 0.2
V
Input pullup/down resistance
R
IN1
―
(P1-0 to P1-3) When pulldown,
pullup are set.
25 50 120
kΩ
HOLD , INTR Input Port, RESET Input
Characteristics Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Input leakage current
I
LI
―
V
IH
= 5.0 V, V
IL
= 0 V
―
― ±1.0
µA
High level
V
IH3
―
―
MV
DD
× 0.8
~ MV
DD
Input voltage
Low level
V
IL3
―
― 0
~
MV
DD
× 0.2
V
A/D Converter
(AD
IN1
to AD
IN4
)
Characteristics Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Analog input voltage range
V
AD
― AD
IN
to AD
IN4
0
~
MV
DD
V
Resolution V
RES
―
―
― 6 ― bit
Overall conversion error
―
―
―
― ±0.5 ±4.0
LSB
Analog input leakage
I
LI
―
V
IH
= 5.0 V, V
IL
= 0 V
(AD
IN1
to AD
IN4
)
―
― ±1.0
µA
DATA, SFSY, LRCK, BCK, AOUT, MBOV, IPF Outputs and CLCK Input/Output
Characteristics Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
High level
I
OH4
―
V
OH
= 4.5 V
(Settings OT for output,
LEDon = 0)
−2.0
−4.0
―
Output current
Low level
I
OL5
―
V
OL
= 0.5 V
(Settings OT for output,
LEDon = 0)
5 10 ―
mA
Input leakage current
I
LI
―
V
IH
= 5.0 V, V
IL
= 0 V
(CLCK)
―
― ±1.0
µA
High level
V
IH
― (CLCK)
MV
DD
× 0.8
~ MV
DD
Input voltage
Low level
V
IL
― (CLCK)
0
~ MV
DD
× 0.2
V