ST72264G2 STMicroelectronics, ST72264G2 Datasheet - Page 88

• Manufacturer Part Number: ST72264G2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72264G2

• 4 K Or 8 Kbytes Program Memory: ROM or single voltage extended Flash (XFlash) with read-out protection, write protection, In-Circuit Programming and In-Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt,Wait and Slow
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes

ST72260Gx, ST72262Gx, ST72264Gx
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 53. SCI Block Diagram
88/172
TDO
RDI
TIE
CR2
TRANSMITTER
INTERRUPT
TCIE
CONTROL
CLOCK
f
CPU
Transmit Data Register (TDR)
SCI
TRANSMIT
CONTROL
RIE
Transmit Shift Register
Write
ILIE
/16
TE
RE
/PR
RWU
WAKE
UNIT
UP
R8
SBK
T8
CONVENTIONAL BAUD RATE GENERATOR
SCP1
Received Data Register (RDR)
SCID
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
PCE PS
RECEIVER RATE
CONTROL
CR1
PIE
NF
BRR
RECEIVER
FE
CLOCK
PE
SR