ST72F324BJ STMICROELECTRONICS [STMicroelectronics], ST72F324BJ Datasheet - Page 56
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ST72F324BJ
Manufacturer Part Number
ST72F324BJ
Description
8-bit MCU, 3.8 to 5.5 V operating range with 8 to 32 Kbyte Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72F324BJ.pdf
(188 pages)
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I/O ports
Caution:
56/188
Table 28.
1. When the I/O port is in input configuration and the associated alternate function is enabled as an output,
2. When the I/O port is in output configuration and the associated alternate function is enabled as an input,
The alternate function must not be activated as long as the pin is configured as input with
interrupt, in order to avoid generating spurious interrupts.
reading the DR register will read the alternate function output status.
the alternate function reads the pin status given by the DR register content.
Not implemented in
true open drain
I/O ports
Not implemented in
true open drain
I/O ports
I/O port configurations
Not implemented in
true open drain
I/O ports
Pad
Pad
Pad
V
V
R
R
DD
DD
PU
PU
V
R
DD
PU
Hardware configuration
Pull-up
condition
condition
Interrupt
Alternate
Alternate
enable
enable
register
DR
External interrupt
source (ei
register
register
DR register access
DR
DR
DR register access
DR register access
W
R
Alternate
Alternate
x
output
output
)
R/W
R/W
Analog input
Alternate input
Data bus
ST72324B
Data bus
Data bus