ST72334N4 STMicroelectronics, ST72334N4 Datasheet - Page 86

• Manufacturer Part Number: ST72334N4
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
• Manufacturer: STMicroelectronics

Specifications of ST72334N4

• 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 48. SCI Block Diagram
86/153
TDO
RDI
f
CPU
TIE
CR2
TRANSMITTER
INTERRUPT
CONTROL
TCIE
CLOCK
Transmit Data Register (TDR)
/16
SCI
TRANSMIT
CONTROL
RIE
Transmit Shift Register
Write
ILIE
/2
TE
RE
/PR
RWU
WAKE
UNIT
UP
R8
SBK
T8
CONVENTIONAL BAUD RATE GENERATOR
SCP1
Received Data Register (RDR)
Read
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
-
Received Shift Register
TDRE TC RDRF IDLE OR
TRANSMITTER RATE
M
CONTROL
WAKE
RECEIVER
CONTROL
(DATA REGISTER) DR
-
RECEIVER RATE
CONTROL
-
CR1
-
NF
BRR
RECEIVER
FE
CLOCK
SR
-