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L9803 Datasheet(PDF) 74 Page - STMicroelectronics

Part # L9803
Description  Super smart power motor driver with 8-Bit MCU, RAM, EEPROM, ADC, WDG, Timers, PWM and H-bridge driver
PDF  126 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9803 Datasheet(HTML) 74 Page - STMicroelectronics

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On-Chip Peripherals
L9803
74/126
5.6
Controller Area Network (CAN)
5.6.1
Introduction
This peripheral is designed to support serial data exchanges using a multi-master
contention based priority scheme as described in CAN specification Rev. 2.0 part A. It can
also be connected to a 2.0 B network without problems, since extended frames are checked
for correctness and acknowledged accordingly although such frames cannot be transmitted
nor received. The same applies to overload frames which are recognized but never initiated.
Figure 37.
CAN Block Diagram
TX/RX
Buffer 1
10 Bytes
TX/RX
Buffer 2
10 Bytes
TX/RX
Buffer 3
10 Bytes
ID
Filter 0
4 Bytes
ID
Filter 1
4 Bytes
ST7 Interface
PSR
ICR
ISR
BRPR
CSR
TECR
RECR
CAN 2.0B passive Core
SHREG
BCDL
CRC
BTL
RX
TX
EML
ST7 Internal Bus
BTR



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