參數(shù)資料
型號： T89C51RC2-SLSIL
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
中文描述： 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 101/170頁
文件大?。?/td> 1927K
代理商： T89C51RC2-SLSIL
101
A/T89C51CC01
4129L–CAN–08/05
Table 59.
CANGSTA Register
CANGSTA (S:AAh)
CAN General Status Register
Note:
1. These fields are Read Only.
Reset Value = x0x0 0000b
7
6
5
4
3
2
1
0
-
OVFG
-
TBSY
RBSY
ENFG
BOFF
ERRP
Bit
Number
Bit Mnemonic Description
7
-
Reserved
The values read from this bit is indeterminate. Do not set this bit.
6
OVFG
Overload Frame Flag
(1)
This status bit is set by the hardware as long as the produced overload frame
is sent.
This flag does not generate an interrupt
5
-
Reserved
The values read from this bit is indeterminate. Do not set this bit.
4
TBSY
Transmitter Busy
(1)
This status bit is set by the hardware as long as the CAN transmitter
generates a frame (remote, data, overload or error frame) or an ack field. This
bit is also active during an InterFrame Spacing if a frame must be sent.
This flag does not generate an interrupt.
3
RBSY
Receiver Busy
(1)
This status bit is set by the hardware as long as the CAN receiver acquires or
monitors a frame.
This flag does not generate an interrupt.
2
ENFG
Enable On-chip CAN Controller Flag
(1)
Because an enable/disable command is not effective immediately, this status
bit gives the true state of a chosen mode.
This flag does not generate an interrupt.
1
BOFF
Bus Off Mode
(1)
see Figure 49
0
ERRP
Error Passive Mode
(1)
see Figure 49
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