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參數(shù)資料
| 型號(hào)： | W79E201A16LN |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | ROHS COMPLIANT, LQFP-44 |
| 文件頁(yè)數(shù)： | 57/87頁(yè) |
| 文件大小： | 818K |
| 代理商： | W79E201A16LN |
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W79E201
Publication Release Date: December 16, 2004
- 57 -
Revision A2
Slave 2:
SADDR 1010 0111
SADEN 1111 1001
Given 1010 0xx1
The Given address for slave 1 and 2 differ in the LSB. For slave 1, it is a don't care, while for slave 2 it
is 1. Thus to communicate only with slave 1, the master must send an address with LSB = 0 (1010
0000). Similarly the bit 1 position is 0 for slave 1 and don't care for slave 2. Hence to communicate
only with slave 2 the master has to transmit an address with bit 1 = 1 (1010 0011). If the master
wishes to communicate with both slaves simultaneously, then the address must have bit 0 = 1 and bit
1 = 0. The bit 3 position is don't care for both the slaves. This allows two different addresses to select
both slaves (1010 0001 and 1010 0101).
The master can communicate with all the slaves simultaneously with the Broadcast Address. This
address is formed from the logical ORing of the SADDR and SADEN SFRs. The zeros in the result
are defined as don't cares In most cases the Broadcast Address is FFh. In the previous case, the
Broadcast Address is (1111111X) for slave 1 and (11111111) for slave 2.
The SADDR and SADEN SFRs are located at address A9h and B9h respectively. On reset, these two
SFRs are initialized to 00h. This results in Given Address and Broadcast Address being set as XXXX
XXXX(i.e. all bits don't care). This effectively removes the multiprocessor communications feature,
since any selectivity is disabled.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W79E201A16PL | 功能描述:IC MCU 8-BIT 16K FLASH 44-PLCC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W79 標(biāo)準(zhǔn)包裝:300 系列:78K0R/Ix3 核心處理器:78K/0R 芯體尺寸:16-位 速度:40MHz 連通性:3 線 SIO，I²C，LIN，UART/USART 外圍設(shè)備:DMA，LVD，POR，PWM，WDT 輸入/輸出數(shù):27 程序存儲(chǔ)器容量:16KB（16K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:38-SSOP 包裝:托盤(pán) |
| W79E201A16PN | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W79E2051 | 制造商:WINBOND 制造商全稱:Winbond 功能描述: |
| W79E2051AKG | 制造商:Winbond Electronics Corp 功能描述:8 BIT MCU 制造商:Nuvoton Technology Corp 功能描述:IC MCU 2KB FLASH 20PDIP |
| W79E2051ASG | 制造商:Nuvoton Technology Corp 功能描述:IC MCU 2KB FLASH 20SOP |
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