參數(shù)資料
型號(hào): P8XC591
廠商: NXP Semiconductors N.V.
英文描述: HiRel FPGA, Low-Power 1.0?? CMOS Technology
中文描述: 單芯片8 - CAN控制器位微控制器
文件頁數(shù): 44/160頁
文件大?。?/td> 601K
代理商: P8XC591
2000 Jul 26
44
Philips Semiconductors
Preliminary Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
12.5.13 E
RROR
C
ODE
C
APTURE
(ECC)
This register contains information about the type and location of errors on the bus. The Error Code Capture Register
appears to the CPU as a read only memory.
Table 26
Error Code Capture (ECC) (CAN address 12)
Table 27
Description of Error Code Capture (ECC) Register bits
7
6
5
4
3
2
1
0
ERRC1
ERRC0
DIR
SEG4
SEG3
SEG2
SEG1
SEG0
BIT
SYMBOL
NAME
VALUE
FUNCTION
7
6
ERRC1
ERRC0
Error Code 1
Error Code 0
ERRC1
0
0
1
1
1 (RX)
0 (TX)
Reflects the current Frame Segment to determine between different error events:
00011
Start Of Frame
00010
ID28 ... ID21
00110
ID20 ... ID18
00100
00101
00111
01111
01110
01100
01101
01001
01011
01010
01000
11000
11001
11011
11010
10010
10001
10110
10011
10111
11100
Overload Flag
ERRC0
0
1
0
1
Bit Error
Form Error
Stuff Error
Other Error
Error occurred during reception
Error occurred during transmission
5
DIR
Direction
4
3
2
1
0
SEG4
SEG3
SEG2
SEG1
SEG0
Segment 4
Segment 3
Segment 2
Segment 1
Segment 0
SRTR Bit
IDE Bit
ID17 ... ID13
ID12 ... ID5
ID4 ... ID0
RTR Bit
Reserved Bit 1
Reserved Bit 0
Data Length Code
Data Field
CRC Sequence
CRC Delimiter
Acknowledge Slot
Acknowledge Delimiter
End Of Frame
Intermission
Active Error Flag
Passive Error Flag
Tolerate Dom. Bits
Error Delimiter
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