Document Number: 001-86331 Rev. ** Page 16 of 41
DC GPIO Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 2.4 V to 3.0 V and
0 °C
T
A
70 °C, or 1.9 V to 2.4 V and 0 °C T
A
°C, respectively. Typical parameters apply to 3.3 V at 25 °C and are for design
guidance only.
Table 5. 2.4 V to 3.0 V DC GPIO Specifications
Symbol Description Conditions Min Typ Max Units
R
PU
Pull-up resistor – 4 5.60 8 k
V
OH1
High output voltage Port 2 or 3 or
4 pins
I
OH
< 10 A, maximum of 10 mA
source current in all I/Os
V
IN
– 0.20 – – V
V
OH2
High output voltage Port 2 or 3 or
4 pins
I
OH
= 0.2 mA, maximum of 10 mA
source current in all I/Os
V
IN
– 0.40 – – V
V
OH3
High output voltage Port 0 or 1
pins with LDO regulator Disabled
for port 1
I
OH
< 10 A, maximum of 10 mA
source current in all I/Os
V
IN
– 0.20 – – V
V
OH4
High output voltage Port 0 or 1
pins with LDO regulator Disabled
for Port 1
I
OH
= 2 mA, maximum of 10 mA
source current in all I/Os
V
IN
– 0.50 – – V
V
OH5A
High output voltage Port 1 pins
with LDO enabled for 1.8 V out
I
OH
< 10 A, V
IN
> 2.4 V, maximum
of 20 mA source current in all I/Os
1.50 1.80 2.10 V
V
OH6A
High output voltage Port 1 pins
with LDO enabled for 1.8 V out
I
OH
= 1 mA, V
IN
> 2.4 V, maximum
of 20 mA source current in all I/Os
1.20 – – V
V
OL
Low output voltage IOL = 10 mA, maximum of 30 mA
sink current on even port pins (for
example, P0[2] and P1[4]) and
30 mA sink current on odd port
pins (for example, P0[3] and
P1[5])
––0.75V
V
IL
Input low voltage – – – 0.72 V
V
IH
Input high voltage – 1.40 – V
V
H
Input hysteresis voltage – – 80 – mV
I
IL
Input leakage (absolute value) – – 1 1000 nA
C
PIN
Capacitive load on pins Package and pin dependent
Temp = 25
C
0.50
1.70 7 pF
V
ILLVT2.5
Input Low Voltage with low
threshold enable set, Enable for
Port1
Bit3 of IO_CFG1 set to enable low
threshold voltage of Port1 input
0.7 – – V
V
IHLVT2.5
Input High Voltage with low
threshold enable set, Enable for
Port1
Bit3 of IO_CFG1 set to enable low
threshold voltage of Port1 input
1.2 – V
