ST92F150-DBE STMicroelectronics, ST92F150-DBE Datasheet - Page 348

• Manufacturer Part Number: ST92F150-DBE
• Description: MCU, MPU & DSP Development Tools ST9 Dedication Board
• Manufacturer: STMicroelectronics

Specifications of ST92F150-DBE

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CONTROLLER AREA NETWORK (bxCAN)
CONTROLLER AREA NETWORK (Cont’d)
TRANSMIT ERROR COUNTER REG. (TECR)
Read Only
Reset Value: 00h
TEC[7:0] is the least significant byte of the 9-bit
Transmit Error Counter implementing part of the
fault confinement mechanism of the CAN protocol.
RECEIVE ERROR COUNTER REG. (RECR)
Page: 00h — Read Only
Reset Value: 00h
REC[7:0] is the Receive Error Counter implement-
ing part of the fault confinement mechanism of the
CAN protocol. In case of an error during reception,
this counter is incremented by 1 or by 8 depending
on the error condition as defined by the CAN stand-
ard. After every successful reception the counter is
decremented by 1 or reset to 120 if its value was
higher than 128. When the counter value exceeds
127, the CAN controller enters the error passive
state.
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9
REC7 REC6 REC5 REC4 REC3 REC2 REC1 REC0
TEC7
7
7
TEC6
TEC5
TEC4
TEC3
TEC2
TEC1
TEC0
0
0
CAN DIAGNOSIS REGISTER (CDGR)
All bits of this register are set and clear by soft-
ware.
Read / Write
Reset Value: 0000 0000 (00h)
Bit 3 = RX CAN Rx Signal
- Read
Monitors the actual value of the CAN_RX Pin.
Bit 2 = SAMP Last Sample Point
- Read
The value of the last sample point.
Bit 1 = SILM Silent Mode
- Read/Set/Clear
0: Normal operation
1: Silent Mode
Bit 0 = LBKM Loop Back Mode
- Read/Set/Clear
0: Loop Back Mode disabled
1: Loop Back Mode enabled
7
0
0
0
0
RX
SAMP
SILM
LBKM
0