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參數(shù)資料
| 型號(hào)： | TS87C54X2 |
| 廠商： | Atmel Corp. |
| 英文描述： | 8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
| 中文描述： | 8位CMOS微控制器16/32字節(jié)ROM /雙層 |
| 文件頁數(shù)： | 34/58頁 |
| 文件大?。?/td> | 1039K |
| 代理商： | TS87C54X2 |
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34
Rev. C - 15 January, 2001
TS80C54X2/C58X2
TS87C54X2/C58X2
6.11 Reduced EMI Mode
The ALE signal is used to demultiplex address and data buses on port 0 when used with external program or data
memory. Nevertheless, during internal code execution, ALE signal is still generated. In order to reduce EMI, ALE
signal can be disabled by setting AO bit.
The AO bit is located in AUXR register at bit location 0. As soon as AO is set, ALE is no longer output but
remains active during MOVX and MOVC instructions and external fetches. During ALE disabling, ALE pin is
weakly pulled high.
Table 19. AUXR Register
AUXR - Auxiliary Register (8Eh)
7
Reset Value = XXXX XX00b
Not bit addressable
6
5
4
3
2
1
0
-
-
-
-
-
-
RESERVED
AO
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
3
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
1
RESERVED
This bit must be set for normal operation
For ALE disabling, program 03H in AUXR register.
For standard operation, program 02H in AUXR register.
0
AO
ALE Output bit
Clear to restore ALE operation during internal fetches.
Set to disable ALE operation during internal fetches.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS87C54X2-LCA | 功能描述:IC MCU 8BIT 16K OTP 30MHZ 40-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:87C 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（32K x 8） 程序存儲(chǔ)器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP（0.600"，15.24mm） 包裝:管件 |
| TS87C54X2-LCAD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|8051 CPU|CMOS|DIP|40PIN|PLASTIC |
| TS87C54X2-LCB | 功能描述:IC MCU 8BIT 16K OTP 30MHZ 44PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:87C 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:8KB（4K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR) |
| TS87C54X2-LCBB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|8051 CPU|CMOS|LDCC|44PIN|PLASTIC |
| TS87C54X2-LCBD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|8051 CPU|CMOS|LDCC|44PIN|PLASTIC |
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