參數(shù)資料
型號: AT89C51CC02UA-SISUM
廠商: Atmel
文件頁數(shù): 155/159頁
文件大?。?/td> 0K
描述: IC 8051 MCU 16K FLASH 28-PLCC
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 888
系列: AT89C CAN
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: CAN,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-PLCC
包裝: 管件
產(chǎn)品目錄頁面: 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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