ST72124J2 STMicroelectronics, ST72124J2 Datasheet - Page 41
ST72124J2
Manufacturer Part Number
ST72124J2
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72124J2.pdf
(153 pages)
Specifications of ST72124J2
Clock Sources
crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System
4 Power Saving Modes
Halt, Active-Halt, Wait and Slow
Two 16-bit Timers With
2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes
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I/O PORTS (Cont’d)
Table 7. I/O Port Configurations
Notes:
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,
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
PAD
PAD
PAD
V
V
V
DD
R
DD
DD
R
R
PU
PU
PU
PULL-UP
CONFIGURATION
Hardware Configuration
INTERRUPT
CONFIGURATION
OTHER
FROM
PINS
ST72334J/N, ST72314J/N, ST72124J
ALTERNATE
ALTERNATE
REGISTER
ENABLE
ENABLE
DR
DR REGISTER ACCESS
REGISTER
REGISTER
SELECTION
POLARITY
DR
DR
DR REGISTER ACCESS
DR REGISTER ACCESS
W
R
ALTERNATE
ALTERNATE
OUTPUT
OUTPUT
ALTERNATE INPUT
EXTERNAL INTERRUPT
SOURCE (ei
ANALOG INPUT
R/W
R/W
DATA BUS
DATA BUS
DATA BUS
x
)
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