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參數(shù)資料
型號(hào)： W921E880
廠商： WINBOND ELECTRONICS CORP
元件分類： 微控制器/微處理器
英文描述： 4-Bit Microcontroller(4位的微控制器)
中文描述： 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝： QFP-80
文件頁(yè)數(shù)： 20/62頁(yè)
文件大小： 511K
代理商： W921E880
W921E880
- 20 -
automatically increased by one when each nibble is transmitted/received until the number is equal to
the value in the SRLNR, SRMNR registers. Even if the HOLD instruction is executed, the SOP or SIP
function will continue to execute until completion of the transmitter/receiver function. However,
execution of the STOP instruction will stop all serial transmitter/receiver functions.
Whether transceiver data will be latched on the rising or falling edge of the clock is determined by the
serial clock inverter control register (SRINV, address = 00CH). Before the SOP or SIP instructions
are executed the SRINV register must be set to the exact value. Once both the SRINV.3 and
SRINV.2 are clear, the serial transceiver function will be forced to reset to initial status immediately.
SRINV register: (address = 00CH, default data = 0H)
b3
b2
b1
b0
0: Serial data latch at SCLK1/SCLK2 rising edge
(normal high)
1: Serial data latch at SCLK1/SCLK2 falling edge
(normal low)
1: SCLK1 and SDATA1 enable
1: SCLK2 and SDATA2 enable
0: SCLK1and SCLK2 pins work as the internal
clock output pin
1: SCLK1and SCLK2 pins work as the external
clock input pin
0: SCLK2 and SDATA2 disable (H-Z)
0: SCLK1 and SDATA1 disable (H-Z)
The serial interface configuration is shown below:
P6IO.2
P6IO.1
P6IO.0
SRINV.2
SRINV.3
SDATA
SCLK
Serial Buffer
Registers
050H
14EH
SDATA1
SCLK1
SDATA2
SCLK2
P6.0
P6.1
P6.2
P6.3
To Port P6 Normal I/O Register
P6IO.3
To Port P6
System
Clock
Serial Clock Speed
Control Circuit
f
SYS
Serial/Parallel
I/O Buffer
Clock Source
and Latch
Control Circuit
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W921E880A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W925C240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller
W925C625 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-bit CID MICROCONTROLLER
W925E240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller
W925E240FG 功能描述:IC MCU 8-BIT W/CID 100-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W925 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:ROMless 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:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR)
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