參數(shù)資料
型號： T89C51CC01UA-SLSIM
廠商： Atmel
文件頁數(shù)： 62/123頁
文件大小： 0K
描述： IC 8051 MCU FLASH 32K 44PLCC
標(biāo)準(zhǔn)包裝： 27
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)： 32
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量： 1.25K 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： 44-LCC（J 形引線）
包裝： 管件
配用： AT89STK-06-ND - KIT DEMOBOARD 8051 MCU W/CAN
其它名稱： T89C51CC01UASLSIM
dsPIC33F
DS70165E-page 152
Preliminary
2007 Microchip Technology Inc.
REGISTER 8-1:
OSCCON: OSCILLATOR CONTROL REGISTER
U-0
R-0
U-0
R/W-y
—COSC<2:0>
—NOSC<2:0>
bit 15
bit 8
R/W-0
U-0
R-0
U-0
R/C-0
U-0
R/W-0
CLKLOCK
—LOCK
—CF
—
LPOSCEN
OSWEN
bit 7
bit 0
Legend:
y = Value set from Configuration bits on POR
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
Unimplemented: Read as ‘0’
bit 14-12
COSC<2:0>: Current Oscillator Selection bits (read-only)
000
= Fast RC oscillator (FRC)
001
= Fast RC oscillator (FRC) with PLL
010
= Primary oscillator (XT, HS, EC)
011
= Primary oscillator (XT, HS, EC) with PLL
100
= Secondary oscillator (SOSC)
101
= Low-Power RC oscillator (LPRC)
110
= Fast RC oscillator (FRC) with Divide-by-16
111
= Fast RC oscillator (FRC) with Divide-by-n
bit 11
Unimplemented: Read as ‘0’
bit 10-8
NOSC<2:0>: New Oscillator Selection bits
000
= Fast RC oscillator (FRC)
001
= Fast RC oscillator (FRC) with PLL
010
= Primary oscillator (XT, HS, EC)
011
= Primary oscillator (XT, HS, EC) with PLL
100
= Secondary oscillator (SOSC)
101
= Low-Power RC oscillator (LPRC)
110
= Fast RC oscillator (FRC) with Divide-by-16
111
= Fast RC oscillator (FRC) with Divide-by-n
bit 7
CLKLOCK: Clock Lock Enable bit
1
= If (FCKSM1 = 1), then clock and PLL configurations are locked.
If (FCKSM1 = 0), then clock and PLL configurations may be modified.
0
= Clock and PLL selections are not locked, configurations may be modified
bit 6
Unimplemented: Read as ‘0’
bit 5
LOCK: PLL Lock Status bit (read-only)
1
= Indicates that PLL is in lock, or PLL start-up timer is satisfied
0
= Indicates that PLL is out of lock, start-up timer is in progress or PLL is disabled
bit 4
Unimplemented: Read as ‘0’
bit 3
CF: Clock Fail Detect bit (read/clear by application)
1
= FSCM has detected clock failure
0
= FSCM has not detected clock failure
bit 2
Unimplemented: Read as ‘0’
bit 1
LPOSCEN: Secondary (LP) Oscillator Enable bit
1
= Enable secondary oscillator
0
= Disable secondary oscillator
bit 0
OSWEN: Oscillator Switch Enable bit
1
= Request oscillator switch to selection specified by NOSC<2:0> bits
0
= Oscillator switch is complete
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