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What is TC94A29FB?

This electronic component, produced by the manufacturer "Toshiba Semiconductor", performs the same function as "(TC94A29FAG / TC94A29FB) TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic".


TC94A29FB Datasheet PDF - Toshiba Semiconductor

Part Number TC94A29FB
Description (TC94A29FAG / TC94A29FB) TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
Manufacturers Toshiba Semiconductor 
Logo Toshiba Semiconductor Logo 


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TC94A29FAG/FB
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC94A29FAG, TC94A29FB
Single-Chip CD Processor with Built-in Controller (CD-CX)
The TC94A29FAG/FB is a single-chip CD processor for digital
servo, which incorporates a 4-bit microcontroller.
The controller features an LCD driver, 4-channel 6-bit AD
converter, 1 port 2-channel 2/3-line or UART serial interface
module, a buzzer, 20-bit general-purpose counter function,
interrupt function, and 8-bit timer/counter. The CPU can select
one of four operating clocks (16.9344-MHz, 75-kHz or 32.768-kHz
crystal oscillator and CR oscillator), facilitating interface with the
CD processor.
The CD processor incorporates sync separation protection and
interpolation, EFM demodulator, error correction, digital
equalizer for servo, and servo controller. The CD processor also
incorporates a 1-bit DA converter. In combination with the
TA2157F/FN digital servo head amplifier, the TC94A29FAG/FB
can very simply configure an adjustment-free CD player.
Thus, the IC is suitable for CD systems for automobiles and
radio-cassette players.
TC94A29FAG
TC94A29FB
Features
· Single-chip CD processor with on-chip CMOS LCD driver and
4-bit microcontroller
· Operating supply voltage:
CD in operation: VDD = 3.0 to 3.6 V (3.3 V typ.)
CD stopped: VDD = 1.8 to 3.6 V (only CPU in operation)
Weight
LQFP64-P-1010-0.50: 0.32 g (typ.)
QFP64-P-1212-0.65: 0.45 g (typ.)
· Supply current:
CD in operation: IDD = 30 mA (typ.)
CD stopped: IDD = 1.5 mA (CD standby mode, with 16.9344-MHz crystal oscillator, CPU in operation)
CD stopped: IDD = 50 µA (CD standby mode, with 75-kHz crystal oscillator, CPU in operation)
· Operating temperature range: Ta = 40 to 85°C
· Package: LQFP/QFP-64 (0.5/0.65-mm pitch, 1.4 mm thick)
· E2PROM: TC94AE29FAG/FB
1 2003-04-01

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TC94A29FB equivalent
Pin Functions
Pin
No.
Symbol
49 RESET
TC94A29FAG/FB
Pin Name
Reset input
Function and Operation
System reset input pin for the device.
A reset is applied while the RESET signal is low.
When it is high, the 16.9344-MHz crystal
oscillator (XI, XO) starts operating. The
controller counts clock pulses from this oscillator
and waits a specified standby time
(approximately 50 ms) before starting the
controller program from address 0. The CD
processor is placed in the standby state at this
time.
Normally, raising the voltage on MVDD from 0
to 1.8 V or higher triggers a system reset
(power-on reset) so that the RESET pin should
be held at high.
Remarks
MVDD
MVSS
MVDD
P8-0
/MXI
50 /OSC
(BRK1)
51 P8-1
/MXO
(BRK2)
I/O port 8-0
/crystal oscillator
/CR oscillator
I/O port 8-1
/crystal oscillator
2-bit CMOS I/O port.
Input/output can be specified for each bit. When
the pins are used as I/O port input, each pin can
be pulled up or down by program. When backup
release for clock stop mode or wait mode is
enabled for the pins, a change in a pin can
release the backup state.
Input
instructio
RIN1
MVDD
The program can set these pins to be used for a
75-kHz or 32.768-kHz dedicated crystal
oscillator. The P8-0 pin can also be used for a
CR oscillator. These clocks are used for the
operation of the controller and peripheral
devices. Upon a system reset, the 16.9344-MHz
crystal oscillator (XI, XO) is selected as the
clock for controller and peripheral device
operation. The program can subsequently set
the pins to oscillator pins and switch the clock
generated from the oscillator to the controller
clock. When the pins are used for an oscillator,
executing the CKSTP instruction causes its
oscillation to stop.
MVDD
MVSS
(When used for I/O port)
MXO
Rout2
RfXT2
MVDD
(Note) When the P8-0 pin is used for a CR
oscillator, the P8-1 pin can used as an
I/O port pin.
(Note) Backup release is enabled for both pins
simultaneously.
MXI
MVSS
(When used for crystal oscillator)
(Note) Use a crystal oscillator having a good
startup characteristic.
MVDD
(Note) Upon a system reset, the pins are set to
I/O port input.
(Note) After setting the pins to oscillator pins,
wait until oscillation settles before
switching the controller clock.
R
OSC
C
MVDD
MVSS
(When P8-0 is used
for CR oscillator)
5 2003-04-01


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Featured Datasheets

Part NumberDescriptionMFRS
TC94A29FAGThe function is (TC94A29FAG / TC94A29FB) TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic. Toshiba SemiconductorToshiba Semiconductor
TC94A29FBThe function is (TC94A29FAG / TC94A29FB) TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic. Toshiba SemiconductorToshiba Semiconductor

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