TC9457, TC9457F, TC9457F-020 Selling Leads, Datasheet
MFG:TOSHIBA Package Cooled:QFP D/C:02
TC9457, TC9457F, TC9457F-020 Datasheet download
Part Number: TC9457
MFG: TOSHIBA
Package Cooled: QFP
D/C: 02
TC9457, TC9457F, TC9457F-020
- Table of contents:
Info of TC9457
Info of TC9457F
Info of TC9457F-020
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About TC9457F
PDF/DataSheet Download
Datasheet: TC9457F
File Size: 263617 KB
Manufacturer: TOSHIBA [Toshiba Semiconductor]
Download : Click here to Download
About TC9457F
PDF/DataSheet Download
Datasheet: TC9457F
File Size: 263617 KB
Manufacturer: TOSHIBA [Toshiba Semiconductor]
Download : Click here to Download
About TC901
PDF/DataSheet Download
Datasheet: TC901
File Size: 52216 KB
Manufacturer: MICROCHIP [Microchip Technology]
Download : Click here to Download
TC9457F General Description
The TC9457F is a firmware incorporating CD digital servo system. In addition to an LCD/LED driver, 4-channel 6-bit AD converters, and 2-wire/3-wire serial interface, it has a buzzerfunction, interrupt function, and 8-bit timer/counter. The CPU allows selection of the operating clock from three types of crystaloscillators (16.9344 MHz, 4.5 MHz, and 75 kHz), making interfacing with a CD easy. The CD digital servo incorporatesvarious functions and circuits required for CD systems. These include sync separation protection and interpolation, EFM demodulation, error correction, digital equalizer for servoing, a servo control circuit. Furthermore, it contains a 1-bit DA converter, so that when combined with the digital servo head amp TA2109F, it allows you to create a maintenance-free, extremely simple CD player system.
TC9457F Features
CMOS−technology DTS microcontroller LSI incorporating a CD digital servo and LCD/LED driver
Operating supply voltage:
When CD is operating, VDD = 4.5 to 5.5 V (5.0 V typ.)
When CD is turned off, VDD = 2.7 to 5.5 V (CPU operating)
Current consumption:
When CD is operating, IDD = 55 mA (typ.)
When CD is turned off, IDD = 2 mA (typ.) (using 4.5 MHz crystal; CPU operating)
When CD is turned off, IDD = 0.1 mA (using 75 kHz crystal; CPU operating)
Operating temperature range: Ta = −40 to 85 °C
Firmware
Operating supply voltage:
When CD is operating, VDD = 4.5 to 5.5 V (5.0 V typ.)
When CD is turned off, VDD = 2.7 to 5.5 V (CPU operating)
Current consumption:
When CD is operating, IDD = 55 mA (typ.)
When CD is turned off, IDD = 2 mA (typ.) (using 4.5 MHz crystal; CPU operating)
When CD is turned off, IDD = 0.1 mA (using 75 kHz crystal; CPU operating)
Operating temperature range: Ta = −40 to 85 °C
Firmware
TC9457F Connection Diagram
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