ST72561R9 STMicroelectronics, ST72561R9 Datasheet - Page 168

• Manufacturer Part Number: ST72561R9
• Description: 8-BIT MCU WITH FLASH OR ROM, 10-BIT ADC, 5 TIMERS, SPI, LINSCI(TM), ACTIVE CAN
• Manufacturer: STMicroelectronics

Specifications of ST72561R9

• Hdflash Endurance: 100 cycles, data retention 40 years at 85°C
• 5 Power Saving Modes: Halt, Auto Wake Up From Halt, Active Halt, Wait and Slow

ST72561
LINSCI™ SERIAL COMMUNICATION INTERFACE (LIN Master Only) (Cont’d)
EXTENDED RECEIVE PRESCALER DIVISION
REGISTER (SCIERPR)
Read/Write
Reset Value: 0000 0000 (00 h)
Bits 7:0 = ERPR[7:0] 8-bit Extended Receive
Prescaler Register.
The extended Baud Rate Generator is activated
when a value other than 00h is stored in this regis-
ter. The clock frequency from the 16 divider (see
Figure
SCIERPR register (in the range 1 to 255).
The extended baud rate generator is not active af-
ter a reset.
Table 27. Baud Rate Selection
168/265
ERPR
f
f
Symbol
Tx
Rx
7
7
90) is divided by the binary factor set in the
ERPR
6
Communication
frequency
ERPR
Parameter
5
ERPR
4
ERPR
3
8 MHz
f
CPU
ERPR
2
Accuracy vs.
Standard
ERPR
~0.16%
~0.79%
1
ERPR
Conditions
0
0
Conventional Mode
TR (or RR) = 128, PR = 13
TR (or RR) = 32, PR = 13
TR (or RR) = 16, PR =13
TR (or RR) = 8, PR = 13
TR (or RR) = 4, PR = 13
TR (or RR) = 16, PR = 3
TR (or RR) = 2, PR = 13
TR (or RR) = 1, PR =13
Extended Mode
ETPR (or ERPR) = 35,
TR (or RR) = 1, PR = 1
EXTENDED TRANSMIT PRESCALER DIVISION
REGISTER (SCIETPR)
Read/Write
Reset Value:0000 0000 (00 h)
Bits 7:0 = ETPR[7:0] 8-bit Extended Transmit
Prescaler Register.
The extended Baud Rate Generator is activated
when a value other than 00h is stored in this regis-
ter. The clock frequency from the 16 divider (see
Figure
SCIETPR register (in the range 1 to 255).
The extended baud rate generator is not active af-
ter a reset.
ETPR
7
7
Prescaler
ETPR
90) is divided by the binary factor set in the
6
ETPR
5
ETPR
4
Standard
ETPR
10400
19200
38400
14400 ~14285.71
3
1200
2400
4800
9600
300
ETPR
~10416.67
~19230.77
~38461.54
2
~1201.92
~2403.84
~4807.69
~9615.38
Baud
Rate
~300.48
ETPR
1
ETPR
Unit
Hz
0
0