ST7FLITE02 STMICROELECTRONICS [STMicroelectronics], ST7FLITE02 Datasheet - Page 45

• Manufacturer Part Number: ST7FLITE02
• Description: 8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

I/O PORTS (Cont’d)
Figure 28. I/O Port General Block Diagram
Table 9. I/O Port Mode Options
Legend: NI - not implemented
Input
Output
REGISTER
ACCESS
INTERRUPT
SOURCE (ei
EXTERNAL
Off - implemented not activated
On - implemented and activated
DDR SEL
OR SEL
DR SEL
Floating with/without Interrupt
Pull-up with/without Interrupt
Push-pull
Open Drain (logic level)
Configuration Mode
DDR
x
DR
OR
)
POLARITY
SELECTION
ALTERNATE
OUTPUT
ALTERNATE
ENABLE
If implemented
1
0
FROM
OTHER
BITS
1
0
Pull-Up
Off
On
Off
N-BUFFER
PULL-UP
CONDITION
P-Buffer
Off
On
Off
SCHMITT
TRIGGER
CMOS
V
DD
ST7LITE0x, ST7LITESx
to V
On
DD
P-BUFFER
(see table below)
V
Diodes
DD
DIODES
(see table below)
PULL-UP
(see table below)
ALTERNATE
ANALOG
INPUT
to V
INPUT
PAD
On
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