L9803 STMicroelectronics, L9803 Datasheet - Page 85

• Manufacturer Part Number: L9803
• Description: Super Smart Power Motor Driver With 8-bit Mcu, Ram, Eeprom, Adc, Wdg, Timers, Pwm And H-bridge Driver
• Manufacturer: STMicroelectronics

L9803
BIT TIMING REGISTER (BTR)
Read/Write in Standby mode
Reset Value: 23h
BS2[2:0] determine the length of Bit Segment 2.
t
BS1[3:0] determine the length of Bit Segment 1.
t
Note: Writing to this register is allowed only in Standby mode to prevent any accidental CAN
protocol violation through programming errors.
PAGE SELECTION REGISTER (PSR)
Read/Write
Reset Value: 00h
PAGE[2:0] determine which buffer or filter page is mapped at addresses 0010h to 001Fh.
Page 0 Registers
LAST IDENTIFIER HIGH REGISTER (LIDHR)
Read/Write
Reset Value: Undefined
BS2
BS1
LID10
= t
= t
7
0
7
0
7
CAN
CAN
PAGE2
0
0
0
0
1
1
1
1
* (BS2 + 1)
* (BS1 + 1)
BS22
LID9
0
BS21
LID8
0
PAGE1
0
0
1
1
0
0
1
1
BS20
LID7
0
BS13
LID6
0
PAGE0
0
1
0
1
0
1
0
1
PAGE2
BS12
LID5
On-Chip Peripherals
PAGE1
BS11
LID4
Page Title
Diagnosis
Reserved
Reserved
Reserved
Buffer 1
Buffer 2
Buffer 3
Filters
PAGE0
BS10
LID3
0
0
0
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