900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf






Winbond

W925C240 Datasheet Preview

W925C240 Datasheet

8-bit CID Microcontroller

No Preview Available !

PRELIMINARY W925E/C240
8-bit CID Microcontroller
1 GENERAL DESCRIPTION.................................................................................................................3
2 FEATURES............................................................................................................................................3
3 PIN CONFIGURATION ......................................................................................................................5
4 PIN DESCRIPTION..............................................................................................................................6
5 BLOCK DIAGRAM..............................................................................................................................8
6 FUNCTIONAL DESCRIPTION..........................................................................................................9
6.1 MEMORY ORGANIZATION ..............................................................................................................10
6.2 SPECIAL FUNCTION REGISTERS ......................................................................................................13
6.3 INITIAL STATE OF REGISTERS.........................................................................................................30
6.4 INSTRUCTION..................................................................................................................................31
6.5 POWER MANAGEMENT ...................................................................................................................34
6.6 RESET.............................................................................................................................................35
6.7 INTERRUPT .....................................................................................................................................35
6.8 PROGRAMMABLE TIMERS/COUNTERS ............................................................................................37
6.9 SERIAL PORT 1 ...............................................................................................................................41
6.10 COMPARATOR ................................................................................................................................42
6.11 DTMF GENERATOR .......................................................................................................................43
6.12 FSK GENERATOR ...........................................................................................................................44
6.13 I/O PORTS ......................................................................................................................................45
6.14 DIVIDER .........................................................................................................................................46
6.15 CALLING IDENTITY DELIVERY (CID) .............................................................................................47
7 ELECTRICAL CHARACTERISTICS .............................................................................................60
7.1 MAXIMUM RATINGS*.....................................................................................................................60
7.2 RECOMMENDED OPERATING CONDITIONS......................................................................................60
7.3 DC ELECTRICAL CHARACTERISTICS ..............................................................................................60
7.4 ELECTRICAL CHARACTERISTICS - GAIN CONTROL OP-AMPLIFIER ................................................62
7.5 AC ELECTRICAL CHARACTERISTICS ..............................................................................................62
8 PACKAGE ...........................................................................................................................................65
9 VERSION STATEMENT...................................................................................................................66
-1- Release Date : 2002/12/17
Revision : A8




Winbond

W925C240 Datasheet Preview

W925C240 Datasheet

8-bit CID Microcontroller

No Preview Available !

PRELIMINARY W925E/C240
8-bit CID Microcontroller
FIGURE 3-1 W925E/C240 PIN CONFIGURATION ..............................................................................................5
FIGURE 6-1 PROGRAM MEMORY MAP............................................................................................................10
FIGURE 6-2 MEMORY MAP ..............................................................................................................................11
FIGURE 6-3 SCRATCHPAD RAM/REGISTER ADDRESSING ..............................................................................12
FIGURE 6-4 THE STRUCTURE OF CID FLAGS..................................................................................................36
FIGURE 6-5 MODE 0 & MODE 1 OF TIMER/COUNTER 0 & 1...........................................................................38
FIGURE 6-6 MODE 2 OF TIMER/COUNTER 0 & 1 ............................................................................................39
FIGURE 6-7 WATCHDOG TIMER .....................................................................................................................40
FIGURE 6-8 TIMING OF THE SERIAL PORT 1 INPUT FUNCTION........................................................................42
FIGURE 6-9 TIMING OF THE SERIAL PORT 1 OUTPUT FUNCTION ....................................................................42
FIGURE 6-10 THE CONFIGURATION OF COMPARATOR....................................................................................43
FIGURE 6-11 THE RELATION BETWEEN DTMF AND KEYPAD........................................................................43
FIGURE 6-12 FSK MODULATOR.....................................................................................................................44
FIGURE 6-13 13/14-BIT DIVIDER ....................................................................................................................46
FIGURE 6-14 THE CID BLOCK DIAGRAM.......................................................................................................47
FIGURE 6-15 APPLICATION CIRCUIT OF THE RING DETECTOR........................................................................48
FIGURE 6-16 DIFFERENTIAL INPUT GAIN CONTROL CIRCUIT.........................................................................49
FIGURE 6-17 SINGLE-ENDED INPUT GAIN CONTROL CIRCUIT........................................................................49
FIGURE 6-18 GUARD TIME WAVEFORM OF ALERT TONE SIGNAL DETECTION...............................................50
FIGURE 6-19 THE WAVEFORM OF DTMF DETECTION ...................................................................................51
FIGURE 6-20 FSK DETECTION ENABLE AND FSK CARRIER PRESENT AND ABSENT TIMING..........................51
FIGURE 6-21 SERIAL DATA INTERFACE TIMING OF FSK DEMODULATION.....................................................52
FIGURE 6-22 INTERNAL CID GAIN CONTROL REGISTER SETTING WAVEFORM .............................................53
FIGURE 6-23 APPLICATION CIRCUIT OF CID ..................................................................................................54
FIGURE 6-24 INPUT AND OUTPUT TIMING OF BELLCORE ON-HOOK DATA TRANSMISSION ............................55
FIGURE 6-25 INPUT AND OUTPUT TIMING OF BELLCORE OFF-HOOK DATA TRANSMISSION...........................56
FIGURE 6-26 INPUT AND OUTPUT TIMING OF BT IDLE STATE (ON-HOOK) DATA TRANSMISSION .................57
FIGURE 6-27 INPUT AND OUTPUT TIMING OF BT LOOP STATE (OFF-HOOK) DATA TRANSMISSION ...............58
FIGURE 6-28 INPUT AND OUTPUT TIMING OF CCA CALLER DISPLAY SERVICE DATA TRANSMISSION ..........59
-2- Release Date : 2002/12/17
Revision : A8


Part Number W925C240
Description 8-bit CID Microcontroller
Maker Winbond
PDF Download

W925C240 Datasheet PDF






Similar Datasheet

1 W925C240 8-bit CID Microcontroller
Winbond





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy