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參數(shù)資料
| 型號： | 8XC51GB-1 |
| 廠商： | Intel Corp. |
| 英文描述： | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| 中文描述： | CHMOS單片8位微控制器 |
| 文件頁數(shù)： | 26/58頁 |
| 文件大?。?/td> | 233K |
| 代理商： | 8XC51GB-1 |
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2003 Oct 30
26
Philips Semiconductors
Product specification
Low power single card reader
TDA8029
handbook, full pagewidth
MCE651
512-BYTE
XRAM
BY
MOVX
EXTERNAL
DATA
MEMORY
UPPER
128-BYTE
INTERNAL
RAM
LOWER
128-BYTE
INTERNAL
RAM
SPECIAL
FUNCTION
REGISTERS
FFFFh
200h
00h
00h
80h
FFh
00h
80h
FFh
00h
1FFh
Fig.9 Internal and external data memory address space with EXTRAM = 0.
8.6.1
A
UXILIARY
R
EGISTER
(AUXR)
Table 29
Auxiliary register bits
Table 30
Description of register bits
Note
1.
Do not write logic 1s to reserved bits. These bits may be used in future 80C51 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.
8.7
Reduced EMI mode
When bit AO = 1 (bit 0 in the AUXR register), the ALE output is disabled.
BIT
7
6
5
4
3
2
1
0
Symbol
EXTRAM
AO
BIT
SYMBOL
DESCRIPTION
7 to 2
1
EXTRAM
Not implemented.
Reserved for future use; note 1.
External RAM access.
Internal or external RAM access using MOVX @Ri/@DPTR.
If EXTRAM = 0, internal expanded RAM (0000h to 01FFh) access using
MOVX @Ri/@DPTR; if EXTRAM = 1, external data memory access.
ALE enable or disable.
If AO = 0, ALE is emitted at a constant rate of
1
/
6
f
XTAL
; if AO = 1,
ALE is active only during a MOVX or MOVC instruction.
0
AO
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| 8XC51SL.LOWVOLTAGE8XC51SL | KEYBOARD CONTROLLER |
| 8XC51SLLOWVOLTAGE8XC51SL | KEYBOARD CONTROLLER |
| 8XC52 | 80C51 8-Bit Microcontroller Family (8K ROM,Low Voltage (2.7V-5.5V), Low Power, High Speed (33 MHz) )(80C51 8位微控制器系列產(chǎn)品) |
| 8XC54 | 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless, low voltage 2.7V-5.5V), low power, high speed (33 MHz) |
| 8XC58 | 80C51 8-bit microcontroller family 8XC51FA/FB/FC/80C51FA8XC51RA+/RB+/RC+/RD+/80C51RA +8K 4K/256K OTP/ROM/ROMless,low voltage, low power, high speed (33 MHz)(80C51 8位微控制器系列產(chǎn)品) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 8XC51R | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| 8XC51RA | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| 8XC51RA/RB/RC/RD/80C51RA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:(360.35 k) |
| 8XC51RA+ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz) |
| 8XC51RB | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
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