ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 140

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

Serial communications interface (SCI)
Figure 62. SCI block diagram
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TDO
RDI
CR2
TIE
TRANSMITTER
INTERRUPT
CONTROL
TCIE
CLOCK
f
Transmit Data Register (TDR)
CPU
SCI
TRANSMIT
CONTROL
Transmit Shift Register
RIE
Write
ILIE
/16
TE
RE
/PR
Doc ID 17660 Rev 1
RWU
WAKE
UNIT
UP
R8
SBK
T8
SCP1
CONVENTIONAL BAUD RATE GENERATOR
Received Data Register (RDR)
SCID
Read
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
Received Shift Register
TRANSMITTER RATE
TDRE TC RDRF IDLE OR
M
CONTROL
RECEIVER
WAKE PCE
CONTROL
RECEIVER RATE
(DATA REGISTER) DR
CONTROL
PS
CR1
PIE
NF
BRR
ST72521xx-Auto
RECEIVER
FE
CLOCK
PE
SR