Datasheet

ST6200C/ST6201C/ST6203C
39/100
I/O PORTS (Cont’d)
Table 9. I/O Port Option Selections
Note 1. Provided the correct configuration has been selected (see Table 8).
MODE AVAILABLE ON
(1)
SCHEMATIC
Digital Input
Input
PA1-PA3
PB0, PB1, PB3,
PB5-PB7
DDRx
0
ORx
0
DRx
1
Reset state
Input
with pull up
PA1-PA3
PB0, PB1, PB3,
PB5-PB7
DDRx
0
ORx
0
DRx
0
Input
with pull up
with interrupt
PA1-PA3
PB0, PB1, PB3,
PB5-PB7
DDRx
0
ORx
1
DRx
0
Analog Input
Analog Input
PB3, PB5-PB7
(Except on
ST6203C)
DDRx
0
ORx
1
DRx
1
Digital output
Open drain output (5mA)
Open drain output (20 mA)
PB0, PB1, PB3,
PB5-PB7
PA1-PA3
DDRx
1
ORx
0
DRx
0/1
Push-pull output (5mA)
Push-pull output (20 mA)
PB0, PB1, PB3,
PB5-PB7
PA1-PA3
DDRx
1
ORx
1
DRx
0/1
Data in
Interrupt
V
DD
V
DD
Data in
Interrupt
V
DD
V
DD
Data in
Interrupt
V
DD
V
DD
ADC
V
DD
Data out
P-buffer disconnected
V
DD
Data out
V
DD
1