S3C72E8 Datasheet, PDF (12/27 Pages) Samsung semiconductor – The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.

S3C72E8/P72E8
ELECTRICAL DATA
Table 13-2. D.C Characteristics(continued)
(T_A = – 40 °C to + 85C, V_DD = 1.8 V to 5.5 V)
Parameter Symbol
Conditions
Output Low
Voltage
V_OL1
V_DD = 4.5 V to 5.5 V
Port2, 4, 5, 6, 7
I_OL= 15mA
V_DD = 1.8 V to 5.5 V
I_OL=1.6mA
Input High
Leakage Current
I_LIH1
Vin = V_DD
All input pins except below
I_LIH2
Vin = V_DD
X_IN, X_OUT, XT_IN
Input Low
Leakage Current
I_LIL1
VIN = 0 V
All input pins except X_IN, X_OUT,
XT_IN and RESET
I_LIL2
VIN = 0 V
X_IN, X_OUT, XT_IN
Output High
I_LOH1 VO = V_DD
Leakage Current
Port2, 4, 5, 6, 7
Output Low
I_LOL1 VO = 0 V
Leakage Current
Port2, 4, 5, 6, 7
Pull-up Resistor
RL1 V_DD = 5 V, VIN = 0 V
All pins except RESET
V_DD = 3 V
RL2 V_DD = 5 V, VIN = 0 V
RESET
V_DD = 3 V
Medium Output V_OM1 COM0-COM8
Voltage⁽¹⁾
V_OM2 COM0-COM8
V_OM3 SEG0-CSEG59
V_OM4 SEG0-CSEG59
High Output
ROH1 VO = V_DD–0.5V SEG0-SEG59
Impedance
ROH2
COM0-COM8
Low Output
ROL1 VO = 0.5V
SEG0-SEG59
Resistor
ROL2
SEG0-SEG15
(key strobe)
ROL3
COM0-COM8
Min.
–
–
–
–
–
–
–
25
50
100
200
VM1 – 0.2
VM2 – 0.2
VM3 – 0.2
VM4 – 0.2
–
–
–
–
–
Typ.
–
–
–
–
–
–
–
50
100
250
500
VM1
VM2
VM3
VM4
–
–
–
–
–
Max.
2
0.4
3
20
–3
– 20
3
–3
100
200
400
800
VM1 + 0.2
VM2 + 0.2
VM3 + 0.2
VM4 + 0.2
90
25
90
2
25
Units
µA
KΩ
V
KΩ
kΩ
13–3