st62t25cn6 STMicroelectronics, st62t25cn6 Datasheet - Page 39

• Manufacturer Part Number: st62t25cn6
• Description: 8-bit Mcus With A/d Converter, Two Timers, Oscillator Safeguard & Safe Reset
• Manufacturer: STMicroelectronics

I/O PORTS (Cont’d)
Figure 23. I/O Port Block Diagram
Table 8. I/O Port Configurations
Note: x = Don’t care
DDR
INTERNAL
0
0
0
0
1
1
BUS
ST6
TO INTERRUPT
OR
0
0
1
1
0
1
TO ADC
RESET
DR
0
1
0
1
x
x
DIRECTION
REGISTER
REGISTER
REGISTER
OPTION
DATA
DATA
Output
Output
Mode
Input
Input
Input
Input
With pull-up, no interrupt
No pull-up, no interrupt
With pull-up and with interrupt
Analog input (when available)
Open-drain output (20mA sink when available)
Push-pull output (20mA sink when available)
P-BUFFER
PULL-UP
SCHMITT
TRIGGER
CMOS
N-BUFFER
V
DD
Option
V
DD
CLAMPING
DIODES
V
ST6215C/ST6225C
DD
Pxx I/O Pin
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