M66244FP datasheet(2/15 Pages) MITSUBISHI

Part #	M66244FP

Description	High Speed Monolithic Pulse Width Modulator

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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2 / 15 page

High Speed Monolithic Pulse Width Modulator

PIN DESCRIPTION

PIN NAME

NAME

IN/OUT buffer type

DESCRIPTION

D0-D5

Digital Data Bit

normal Input

6 bit Digital Data from MPU

PWM OUT

CLK

SEM/DEM

LEM/TEM

PWM output

Clock input

normal output

Dot Clock input

Control pin of output pulse mode (refer to page 3)

TDI

TCK

SET

Set input

When SET is "H", PWM output is "H" (direct set )

When SET is "L", PWM output depend on D<5:0>

TDO

FRANGE1 Operation Frequency

range set up

FRANGE2

TRST

TMS

Test Clock input

BLOCK DIAGRAM

PWM OUT

LEM/TEM

SEM/DEM

21

30

SET

23

22

24

D0(LSB)

D1

D2

D3

D4

D5(MSB)

18

17

19

15

27

MITSUBISHI <DIGITAL ASSP>

M66244FP

Control output

pulse mode

normal Input

normal Input (Pull-up 50k

Ω)

normal Input

PWM output

Test Reset input of JTAG test circuit

3-sate output

FRANGE1

FRANGE2

36

TDI

TRST

3

TMS

2

TCK

1

35

TDO

Test Mode Select input

Test Reset input

Test Data In input

Test Data Out output

FRANGE1 and FRANGE2 are set up correspond to

operation frequency range (refer to page 8)

Test Mode Select input of JTAG test circuit

Test Clock input of JTAG test circuit

Test Data input of JTAG test circuit

Test Data output of JTAG test circuit

TAP Contoroller

Instruction register

Bypass register

ID register

JTAG Block

BSR

CLK

33

PULSE WIDTH

and MODE

CONTROL

CIRCUIT

31

RESET

20

PULSE

GENERATE

CIRCUIT

14

LS

BSR

RESET

Reset input

When RESET is "L", M66244FP is reset to initial state.

Line Signal input

normal Input

refer to page 10

LS

normal Input (Pull-up 50k

Ω)

schmitt Input (Pull-up 50k

Ω)

schmitt Input(Pull-down 50k

Ω)

(2/15)

C 1998 MITSUBISHI ELECTRIC CORPORATION

schmitt Input (Pull-up 50k

Ω)

16

June 1998

Ver.8.0.0

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M66244FP Datasheet(PDF) 2 Page - Mitsubishi Electric Semiconductor

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