W925EP01FG, W925ICE, W928C66D5002 Selling Leads, Datasheet
MFG:NUVOTON Package Cooled:SMD/DIP D/C:0614+
W925EP01FG, W925ICE, W928C66D5002 Datasheet download
Part Number: W925EP01FG
MFG: NUVOTON
Package Cooled: SMD/DIP
D/C: 0614+
W925EP01FG, W925ICE, W928C66D5002
- Table of contents:
Info of W925EP01FG
Info of W925ICE
Info of W928C66D5002
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About W921E400
PDF/DataSheet Download
Datasheet: W921E400
File Size: 404045 KB
Manufacturer: WINBOND [Winbond]
Download : Click here to Download
About W921E400
PDF/DataSheet Download
Datasheet: W921E400
File Size: 404045 KB
Manufacturer: WINBOND [Winbond]
Download : Click here to Download
About W921E400
PDF/DataSheet Download
Datasheet: W921E400
File Size: 404045 KB
Manufacturer: WINBOND [Winbond]
Download : Click here to Download
W925EP01FG General Description
The W925EP01 is an all in one single 8-bit micro-controller with widely used Calling Identity Delivery (CID) function. The 8-bit CPU core is based on the 8051-family; therefore, all the instructions are compatible to the Turbo 8051 series.
That contains a 64K bytes of main Flash EPROM (APROM) and a 4K bytes of auxiliary Flash EPROM (LDROM) which allows the contents of the 64KB main Flash EPROM (APROM) to be updated by the loader program located at the 4KB auxiliary Flash EPROM (LDROM).
W925EP01 can be extend to two 64KB program banks, there are APROM (00000H~0FFFFH) and external program ROM (10000H~1FFFFH), user can access the external ROM by P5, P6, P7, A16 andPSEN . All instructions are fetched for execution from this memory areas, the MOVC instruction can also access the external memory regions.
The CID part consisted of FSK decoder, DTMF receiver, CPE* Alert Signal (CAS) detector and Ring detector. Also are built-in DTMF generator, FSK generator with baud rate 1200 bps (bits/sec) and CAS generator.
Using W925EP01 can easily implement the CID adjunct box and the feature phone or Short Message Service (SMS) phone with CID function. The main features are listed in the next section.
W925EP01FG Maximum Ratings
| PARAMETER | SYMBOL | RATING | UNITS | |
| 1 | Supply Voltage with respect to VSS | VDD | -0.3 to 6 | V |
| 2 | Voltage on any pin other than supplies (note 1) | -0.7 to VDD + 0.7 | V | |
| 3 | Current at any pin other than supplies | 0 to 10 | mA | |
| 4 | Storage Temperature | Tst | -65 to 150 |
Note:
*. Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the lift and reliability of the device.
1. VDD + 0.7 should not excess maximum rating of supply voltage.
W925EP01FG Features
• CPU: 8-bit micro-controller is similar to the 8051 family.
- Flash EPROM type (E version) operating voltage:
C: The C operating voltage is from 2.4 to 5.5V. The ISP operating voltage is from 3.3 to
5.5V.
CID: The CID receiver operating voltage is from 3.0 to 5.5V.
• Dual-clock operation:
- Main oscillator: Connect with 4M/8MHz crystal, built-in RC oscillator for clock stable from
main crystal wake up.
- Sub oscillator: connect with 32768Hz crystal.
- Main and sub oscillators are enabled/disabled by bit control individually.
• ROM:
- 64K bytes of in-system-programmable Flash EPROM for application program (APROM).
- 4K bytes of auxiliary Flash EPROM for loader program (LDROM).
- 64K bytes external program memories address space.
• RAM:
- 256 bytes on chip scratch pad RAM.
- 4K bytes on chip RAM for MOVX instruction.
- 64K bytes external data memories address space.
• CID
- Compatible with Bellcore TR-NWT-000030 & SR-TSV-002476, British Telecom (BT)
SIN227, U.K. Cable Communication Association (CCA) specification.
- FSK modulator/demodulator: for Bell 202 and ITU-T V.23 FSK with 1200-baud rate.
- CAS generator/detector: for dual tones of Bellcore CAS and BT Idle State and Loop State
Dual Tone Alert Signal (DTAS).
- DTMF generator/receiver; DTMF receiver can be programmed as a tone detector.
- Ring detector: for line reversal for BT, ring burst for CCA or ring signal for Bellcore.
- Two independent OP amps with adjustable gain for Tip/Ring and Telephone Hybrid
connections.
- Flash EPROM type (E version) operating voltage:
C: The C operating voltage is from 2.4 to 5.5V. The ISP operating voltage is from 3.3 to
5.5V.
CID: The CID receiver operating voltage is from 3.0 to 5.5V.
• Dual-clock operation:
- Main oscillator: Connect with 4M/8MHz crystal, built-in RC oscillator for clock stable from
main crystal wake up.
- Sub oscillator: connect with 32768Hz crystal.
- Main and sub oscillators are enabled/disabled by bit control individually.
• ROM:
- 64K bytes of in-system-programmable Flash EPROM for application program (APROM).
- 4K bytes of auxiliary Flash EPROM for loader program (LDROM).
- 64K bytes external program memories address space.
• RAM:
- 256 bytes on chip scratch pad RAM.
- 4K bytes on chip RAM for MOVX instruction.
- 64K bytes external data memories address space.
• CID
- Compatible with Bellcore TR-NWT-000030 & SR-TSV-002476, British Telecom (BT)
SIN227, U.K. Cable Communication Association (CCA) specification.
- FSK modulator/demodulator: for Bell 202 and ITU-T V.23 FSK with 1200-baud rate.
- CAS generator/detector: for dual tones of Bellcore CAS and BT Idle State and Loop State
Dual Tone Alert Signal (DTAS).
- DTMF generator/receiver; DTMF receiver can be programmed as a tone detector.
- Ring detector: for line reversal for BT, ring burst for CCA or ring signal for Bellcore.
- Two independent OP amps with adjustable gain for Tip/Ring and Telephone Hybrid
connections.
W925EP01FG Connection Diagram
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