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TC94A39FAG Fiches technique(PDF) 2 Page - Toshiba Semiconductor

No de pièce TC94A39FAG
Description  Single-Chip CD Processor with Built-in Controller (CD-DX)
Download  20 Pages
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Fabricant  TOSHIBA [Toshiba Semiconductor]
Site Internet  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC94A39FAG Fiches technique(HTML) 2 Page - Toshiba Semiconductor

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TC94A39FAG/FB
2003-04-01
2
4-bit Microcontroller
· Program memory (ROM): 16 bits ´ 8 Ksteps
· Data memory (RAM): 4 bits ´ 512 words
· Instruction execution time: 1.42 ms, 40 ms, 91.6 ms, TOSC ´ 3 (Every instruction consists of a single word.)
· Crystal oscillator frequency: 16.9344 MHz, 75 kHz, 32.768 kHz, CR oscillation frequency
· Stack levels: 6
· AD converter: 6 bits ´ 4 channels
· LCD driver: 1/4 duty, 1/2 or 1/3 bias method, 64 segments (max.)
· I/O ports: CMOS I/O ports: 26 (max.)
N-channel open-drain I/O ports (for up to 5.5 V): 3 (max.)
· Timer/counter: 8 bits (timer mode, pulse width detector and measure function)
· General-purpose counter: 20 bits, 0.1 MHz to 20 MHz, Vin = 0.2 Vpp (min.), input amplifier incorporated
· Serial interface module: 1 port 2 channel supporting 2/3-line method or UART
(two input channels)
· Four buzzer types: 0.75 kHz, 1 kHz, 1.5 kHz, and 3 kHz
· Four modes: continuous, single-shot, 10 Hz intermittent, and 10 Hz intermittent at 1 Hz intervals
· Interrupts: 1 external, 3 internal (CD sub-sync, serial interface, 8-bit timer)
· Back-up mode: Four types: CD standby (CD processor stopped)
Clock stop (oscillator stopped)
Hardware wait (only crystal oscillator in operation)
Software wait (CPU in intermittent operation)
· Reset function: Power-on reset circuit, supply voltage detector (detection voltage = 1.5 V typ.)
CD Processor
· Reliable sync pattern detection, sync signal protection and interpolation
· Built-in EFM demodulator and subcode decoder
· High-correction capability using Cross Interleave Read Solomon Code (CIRC) logical equation
C1 correction: dual
C2 correction: quadruple
· Jitter absorption capability of ± 6 frames
· Built-in 16 KB RAM
· Built-in digital output circuit
· Built-in L/R independent digital attenuator
· Bilingual audio output
· Audio output: 32fs, 48fs or 64fs selectable
· Subcode Q data is read-timing free and can be driven out in sync with audio data.
· Built-in data slicer and analog PLL (adjustment-free VCO used) circuit
· Automatic adjustment of loop gain, offset, and balance at focus servo and tracking servo
· Built-in RF gain auto-adjusting circuit
· Built-in digital equalizer for phase compensation
· Supports different pickups using on-chip digital equalizer coefficient RAM.
· Built-in focus and tracking servo control circuit
· Search control supports all modes and realizes high-speed, stable search.
· Lens kick and feed kick use speed control method.
· Built-in AFC and APC circuits for disc motor CLV servo
· Built-in defect/shock detector
· Built-in 8 times over-sampling digital filter and 1-bit DA converter
· Built-in analog filter for 1-bit DA converter
· Built-in zero-data detection output circuit
· Supports double-speed operation.
Note:
Output pins for subcode Q data and audio data have multiplexed functions for controller-dedicated pins. The
function of each pin can be switched by program.


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