ST72314J4 STMicroelectronics, ST72314J4 Datasheet - Page 90

• Manufacturer Part Number: ST72314J4
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
• Manufacturer: STMicroelectronics

Specifications of ST72314J4

• 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

ST72334J/N, ST72314J/N, ST72124J
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 50. SCI Baud Rate and Extended Prescaler Block Diagram
90/153
f
CPU
/16
/2
EXTENDED TRANSMITTER PRESCALER REGISTER
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER RECEIVER RATE CONTROL
/PR
EXTENDED PRESCALER
SCP1
CONVENTIONAL BAUD RATE GENERATOR
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
TRANSMITTER RATE
CONTROL
RECEIVER RATE
CONTROL
ERPR
ETPR
BRR
TRANSMITTER
RECEIVER
CLOCK
CLOCK