參數(shù)資料
型號： W925E240
英文描述： Telephone Controller
中文描述： 電話控制器
文件頁數(shù)： 6/66頁
文件大?。?/td> 930K
代理商： W925E240
W925E/C240
8-bit CID Microcontroller
Revision : A6
-6-
Release Date : 2002/7/2
4
TEST/MODE
PIN DESCRIPTION
I/O
TEST pin. In E version, it works as a Mode pin to select programming
mode. In C version (Mask type), this pin with internal pull-low resistor.
Set high for normal function. In E version, it works as a Data pin. In C
version, this pin with internal pull-high resistor.
RESET pin. A low pulse causes the whole chip reset. In E version, this
pin work as a VPP pin which is a supply programming voltage. In C
version, this pin with internal pull-high resistor.
Ring Detect Input (Schmitt trigger input). Used for ring detection and line
reversal detection. Must maintain a voltage between VAD and VAS.
Ring RC (Open drain output and Schmitt trigger input). Used to set the
time interval from the end of RNGDI pin to the inactive condition of the
RNGON pin. An external resistor must connected to VAD and a capacitor
connected to VSS, the time interval is the RC time constant.
Must be connected 0.1
μ
F capacitor to VSS.
Reference Voltage. Nominally, VDD/2 is used to bias the input of the gain
control op-amp.
Op-amp1 Feed-back Gain Control signal. Select the input gain by
connecting this pin and the INN1 pin with feed-back resistor. It is
recommended that the op-amp1 be set to unity gain.
Inverting Input of the gain control op-amp1.
Non-inverting Input of the gain control op-amp1.
Op-amp2 Feed-back Gain Control signal. Select the input gain by
connecting this pin and the INN2 pin with feed-back resistor. It is
recommended that the op-amp2 be set to unity gain.
Inverting Input of the gain control op-amp2.
Non-inverting Input of the gain control op-amp2.
Analog voltage supply.
Analog ground.
Digital voltage supply.
Digital ground.
Output pin for main-oscillator. Connected to 3.58MHz crystal for CID
function.
Input pin for main-oscillator. Connected to 3.58MHz crystal for CID
function.
Output pin for sub-oscillator. Connected to 32.768KHz crystal only.
Suggest to add an external capacitor about 10~30pF to ground(VSS) for
the accuracy of the oscillator.
Input pin for sub-oscillator. Connected to 32.768KHz crystal only. Suggest
to add an external capacitor about 10~30pF to ground(VSS) for the
accuracy of the oscillator.
FTE=0, Dual-Tone Multi-Frequency(DTMF) signal output
FTE=1, FSK signal output
EA
/DATA
I,I/O
RESET /VPP
I
RNGDI
I
RNGRC
O
CAP
VREF
O
O
GCFB1
O
INN1
INP1
GCFB2
I
I
O
INN2
INP2
VAD
VAS
VDD
VSS
XOUT1
I
I
I
I
I
I
O
XIN1
I
XOUT2
O
XIN2
I
DTMF/FSK
O
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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)
W925E625 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-bit CID MICROCONTROLLER
W925E625FG 功能描述:IC MCU 8-BIT W/CID 160-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)
W925EP01 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT CID MICROCONTROLLER
W925EP01FG 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT CID MICROCONTROLLER
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