参数资料
型号: AT89C51CC02UA-SISUM
厂商: Atmel
文件页数: 155/159页
文件大小: 0K
描述: IC 8051 MCU 16K FLASH 28-PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 888
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: 28-PLCC
包装: 管件
产品目录页面: 616 (CN2011-ZH PDF)
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
95
AT/T89C51CC02
4126L–CAN–01/08
Table 57. CANGSTA Register
CANGSTA (S:AAh Read Only)
CAN General Status Register
Reset Value = x0x0 0000b
765
43210
-
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.
6OVFG
Overload frame flag
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.
4TBSY
Transmitter busy
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.
3RBSY
Receiver busy
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.
2ENFG
Enable on-chip CAN controller flag
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.
1BOFF
Bus off mode
0
ERRP
Error passive mode
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