TC93P24FG datasheet(9/15 Pages) TOSHIBA

Part #	TC93P24FG

Description	Single-Chip DTS Microcontroller (DTS-20)

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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9 / 15 page

TC93P24FG

2006-08-31

9

Pin No.

Symbol

Pin Name

Function and Operation

Remarks

77

78

DO1

DO2/OUT

Phase comparator

output

/output port

PLL phase comparator output pins.

In tri-state output, when the

programmable counter divider output

is higher than the reference

frequency, the pins output High level;

when the output is lower than the

reference frequency, the pins output

Low level. When the outputs match,

the pins go to high impedance.

Because DO1 and DO2 are output in

parallel, optimal filter constants can be

designed for both the AM and FM

bands.

The DO2 pin can be programmed to

high impedance or set as an output

port (OUT). Therefore, lockup time

can be improved using the DO1 and

DO2 pins or the pins can be

effectively used as output ports.

Lock-up time can also be improved by

using DO1 and DO2 together by

setting the pins to High-Speed Lock

mode when using a 4.5 MHz

oscillator. When the phase difference

equals or exceeds

±1.11 µs, DO1 and

DO2 output the phase difference

pulse. When the phase difference is

less than

±1.11 µs, the DO2 output

goes to high impedance and only DO1

outputs the phase difference pulse.

79

TEST2

Test mode control

input 2

Input pin for controlling Test mode.

When the pins are at High level, the

device is in Test mode; at Low level,

in normal operation.

Normally, set the pins to Low level or

NC (pull-down resistors are

incorporated).

80~83

P6-0

P6-3

I/O port 6

84~87

P7-0

P7-3

I/O port 7

4-bit CMOS I/O ports.

Input and output can be programmed

in 1-bit units.

88~91

P8-0

P8-3

I/O port 8

4-bit CMOS I/O port.

Input and output can be programmed

in 1-bit units.

As the pins can be pulled up or pulled

down by software they can be used as

key input pins. When set to an I/O port

input, that input can be varied to

release Clock Stop or Wait modes or

to set the MUTE bit of the MUTE pin

to 1.

VDD

RIN1

VDD

Input

instruction

VDD

RIN2

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TC93P24FG Datasheet(PDF) 9 Page - Toshiba Semiconductor

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