参数资料
型号: T89C51CC02UA-TDSIM
厂商: Atmel
文件页数: 156/159页
文件大小: 0K
描述: IC 8051 MCU FLASH 16K 24-SOIC
标准包装: 31
系列: AT89C CAN
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: CAN,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 20
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 512 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
包装: 管件
配用: AT89STK-06-ND - KIT DEMOBOARD 8051 MCU W/CAN
其它名称: T89C51CC02UATDSIM
96
AT/T89C51CC02
4126L–CAN–01/08
Table 58. CANGIT Register
CANGIT (S:9Bh)
CAN General Interrupt
Note:
1. This field is Read Only.
Reset Value = 0x00 0000b
765
43210
CANIT
-
OVRTIM
OVRBUF
SERG
CERG
FERG
AERG
Bit Number
Bit Mnemonic
Description
7CANIT
General interrupt flag(1)
This status bit is the image of all the CAN controller interrupts sent
to the interrupt controller.
It can be used in the case of the polling method.
6-
Reserved
The values read from this bit is indeterminate. Do not set this bit.
5OVRTIM
Overrun CAN Timer
This status bit is set when the CAN timer switches 0xFFFF to
0x0000.
If the bit ETIM in the IE1 register is set, an interrupt is generated.
Clear this bit in order to reset the interrupt.
4OVRBUF
Overrun BUFFER
0 - no interrupt.
1 - IT turned on
This bit is set when the buffer is full.
bit resetable by user.
3SERG
Stuff Error General
Detection of more than five consecutive bits with the same polarity.
This flag can generate an interrupt. resetable by user.
2CERG
CRC Error General
The receiver performs a CRC check on each destuffed received
message from the start of frame up to the data field.
If this checking does not match with the destuffed CRC field, a
CRC error is set.
This flag can generate an interrupt. resetable by user.
1FERG
Form Error General
The form error results from one or more violations of the fixed form
in the following bit fields:
CRC delimiter
acknowledgment delimiter
end_of_frame
This flag can generate an interrupt. resetable by user.
0AERG
Acknowledgment Error General
No detection of the dominant bit in the acknowledge slot.
This flag can generate an interrupt. resetable by user.
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