參數(shù)資料
型號: P87C591SFB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Single-chip 8-bit microcontroller with CAN controller
中文描述: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 X 1.75 MM, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 20/161頁
文件大?。?/td> 588K
代理商: P87C591SFB
1999 Aug 19
20
Philips Semiconductors
Objective Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
7.4.1
AUXR1 P
AGE
R
EGISTER
Table 5
AUXR1 Page Register (address A2H)
Table 6
User software should not write 1s to reserved bits. Theses bits may be used in future 8051 family products to invoke
new features. In that case, the reset or inactive value of the new bit will be logic 0, and its active value will be logic 1.
The value read from a reserved bit is indeterminate. The reset value of AUXR1 is (000000xB).
Description of AUXR1 of bits
7
6
5
4
3
2
1
0
ADC8
AIDL
SRST
WDE
WUPD
0
DSP
BIT
SYMBOL
DESCRIPTION
7
ADC8
ADC Mode Switch
. Switches between 10-bit conversion and 8-bit conversion
ADC8
0
1
8-bit conversion (24 machine cycles)
Enables the ADC during Idle mode.
Software Reset.
Watchdog Timer Enable Flag
.
Enable Wake-up from Power-down
.
Reserved.
Reserved.
Data Pointer Switch
. Switches between DPRT0 and DPTR1.
ADC8
0
1
DPTR1
Operating Mode
10-bit conversion (50 machine cycles)
6
5
4
3
2
1
0
AIDL
SRST
WDE
WUPD
0
DSP
Operating Mode
DPTR0
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