ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 77
ST72344S4
Manufacturer Part Number
ST72344S4
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST72344S4.pdf
(247 pages)
Specifications of ST72344S4
Up To 16 Kbytes Program Memory
single voltage extended Flash (XFlash) with readout and write protection, in-circuit and inapplication programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
256 Bytes Data Eeprom With Readout Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock
5 Power-saving Modes
Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt
16-bit Timer A With
1 input capture, 1 output compares, external clock input, PWM and pulse generator modes
16-bit Timer B With
2 input captures, 2 output compares, PWM and pulse generator modes
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Caution:
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.
Analog alternate function
When the pin is used as an ADC input, the I/O must be configured as floating input. The
analog multiplexer (controlled by the ADC registers) switches the analog voltage present on
the selected pin to the common analog rail which is connected to the ADC input.
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
NOT IMPLEMENTED IN
TRUE OPEN DRAIN
I/O PORTS
I/O port configurations
PAD
PAD
PAD
V
V
DD
R
DD
R
V
PU
PU
DD
R
PU
Doc ID 12321 Rev 5
Hardware configuration
PULL-UP
CONDITION
INTERRUPT
CONDITION
ALTERNATE
ALTERNATE
ENABLE
ENABLE
REGISTER
DR
DR REGISTER ACCESS
EXTERNAL INTERRUPT
SOURCE (ei
REGISTER
REGISTER
DR
DR
DR REGISTER ACCESS
DR REGISTER ACCESS
W
R
ALTERNATE
ALTERNATE
x
OUTPUT
OUTPUT
)
R/W
R/W
ALTERNATE INPUT
ANALOG INPUT
DATA BUS
DATA BUS
DATA BUS
I/O ports
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