ST72321BJ6 STMicroelectronics, ST72321BJ6 Datasheet - Page 104
ST72321BJ6
Manufacturer Part Number
ST72321BJ6
Description
8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
Manufacturer
STMicroelectronics
Datasheet
1.ST72321BJ6.pdf
(187 pages)
Specifications of ST72321BJ6
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
Four Power Saving Modes
Halt, Active-Halt, Wait and Slow
Main Clock Controller With
Real time base, Beep and Clock-out capabilities
Two 16-bit Timers With
2 input captures, 2 output compares, external clock input on one timer, PWM and pulse generator modes
8-bit Pwm Auto-reload Timer With
2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector
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ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 63. SCI Baud Rate and Extended Prescaler Block Diagram
104/187
f
CPU
/16
/PR
EXTENDED TRANSMITTER PRESCALER REGISTER
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER RECEIVER RATE CONTROL
SCP1
CONVENTIONAL BAUD RATE GENERATOR
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
TRANSMITTER RATE
EXTENDED PRESCALER
CONTROL
RECEIVER RATE
CONTROL
SCIBRR
SCIERPR
SCIETPR
RECEIVER
TRANSMITTER
CLOCK
CLOCK
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