M37225M6_15 datasheet(88/128 Pages) RENESAS

Part #	M37225M6

Description	SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

Download	128 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

88 / 128 page

M37225M6/M8/MA/MC-XXXSP, M37225ECSP

Rev.1.00

Nov 01, 2000

page 86 of 124

REJ03B0136-0100Z

8.12. RESET CIRCUIT

When the oscillation of a quartz-crystal oscillator or a ceramic reso-

nator is stable and the power source voltage is 5 V ± 10 %, hold the

RESET pin at LOW for 2

µs or more, then return is to HIGH. Then, as

shown in Figure 8.12.2, reset is released and the program starts form

the address formed by using the content of address FFFF16 as the

high-order address and the content of the address FFFE16 as the

low-order address. The internal state of microcomputer at reset are

shown in Figures 8.2.3 to 8.2.6.

An example of the reset circuit is shown in Figure 8.12.1.

The reset input voltage must be kept 0.9 V or less until the power

source voltage surpasses 4.5 V.

Fig.8.12.2 Reset Sequence

Fig.8.12.1 Example of Reset Circuit

Power source voltage 0 V

Reset input voltage 0 V

4.5 V

0.9 V

Poweron

Vcc

RESET

Vss

Microcomputer

1

5

4

3

0.1

µF

M51953AL

XIN

φ

RESET

Internal RESET

SYNC

Address

Data

32768 count of X IN

clock cycle (See note 3)

Reset address from the vector table

?

01, S

01, S-1 01, S-2

FFFE

FFFF

ADH,

ADL

?

ADL

ADH

Notes 1 : f(XIN) and f(

φ) are in the relation : f(XIN) = 2·f (φ).

2 : A question mark (?) indicates an undefined state that

depends on the previous state.

3 : Immediately after a reset, timer 3 and timer 4 are

connected by hardware. At this time, “FF 16” is set

in timer 3 and “0716” is set to timer 4. Timer 3 counts down

with f(XIN)/16, and reset state is released by the timer 4

overflow signal.

Similar Part No. - M37225M6_15

Manufacturer	Part #	Datasheet	Description
Mitsubishi Electric Sem...	M37225M6	1Mb / 133P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER???
Renesas Technology Corp	M37225M6	1Mb / 126P	SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

More results

Similar Description - M37225M6_15

Manufacturer	Part #	Datasheet	Description
Renesas Technology Corp	M37225M6	1Mb / 126P	SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
Mitsubishi Electric Sem...	M37224M3	901Kb / 83P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER???
Renesas Technology Corp	M37221M4H	1Mb / 112P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
Renesas Technology Corp	M37221M6	1Mb / 62P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
Mitsubishi Electric Sem...	M37221EF	1Mb / 63P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER???
	M37100M8	1Mb / 49P	SINGLE CHIP 8 BIT CMOS MICROCOMPUTER FOR VOLTAGE SYNTHESIZER WITH ON SCREEN DISPLAY CONTROLLER
	M37102M8	1Mb / 51P	SINGLE CHIP 8 BIT CMOS MICROCOMPUTER FOR VOLTAGE SYNTHESIZER WITH ON SCREEN DISPLAY CONTROLLER
	M37210M3	764Kb / 59P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER?
Renesas Technology Corp	M37224M3	1Mb / 84P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
Renesas Technology Corp	M37210M3	1,000Kb / 60P	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

More results

M37225M6 Datasheet(PDF) 88 Page - Renesas Technology Corp

M37225M6 Datasheet(HTML) 88 Page - Renesas Technology Corp

Similar Part No. - M37225M6_15

Similar Description - M37225M6_15

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL