TC94A39FB datasheet(9/20 Pages) TOSHIBA

No de pièce	TC94A39FB

Description	Single-Chip CD Processor with Built-in Controller (CD-DX)

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Fabricant	TOSHIBA [Toshiba Semiconductor]

Site Internet	http://www.semicon.toshiba.co.jp/eng

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TC94A39FAG/FB

2003-04-01

9

No.

Symbol

Pin Name

Function and Operation

Remarks

8

MVDD

9

MVSS

Power supply pins for

controller block

Power supply pins for the controller block.

Normally, VDD = 3.0 to 3.6 V.

When only the CPU operates (when the

75-kHz/32.768-kHz oscillator is used), it can

operate at

VDD = 1.8 to 3.6 V.

In the backup state (when the CKSTP

instruction is executed), current dissipation

decreases (10

mA or below), allowing the power

supply voltage to be reduced to 1.0 V.

Raising the voltage on MVDD pin from 0 V to

1.8 V or higher triggers a system reset, causing

the program to start from address 0 (power-on

reset).

(Note) At power-on reset operation, allow 1 ms

to 50 ms while the device power supply

voltage rises.

(Note) The backup current is the total of

currents for CVDD, MVDD and DVDD.

17

PDO

Output pin for a phase error signal between the

EFM and PLCK signals.

Drives one of four values: AVDD, Hi-Z,

VREF, AVSS

18

TMAX

TMAX detection result output pin.

Longer than specified cycle: Drives a high

level (AVDD)

Shorter than specified cycle: Drives a low

level (AVSS)

Within specified cycle: Hi-Z

19

LPFN

Inverted input pin for PLL low-pass filter

amplifier.

20

LPFO

Output pin for PLL low-pass filter amplifier.

21

VCOF

VCO filter pin

22

AVSS

CD processor control

input/output pin

Ground pin for analog block

¾

MVDD

MVSS

AVDD

AVSS

VCO

VREF

AVDD

LPFN

LPFO

VREF

VCOF

AVDD

VREF

Rout4

AVSS

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