M38B53M4-059FP datasheet(244/355 Pages) MITSUBISHI

Part #	M38B53M4-059FP

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

PDF	355 Pages

Scroll/Zoom	100%

Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

Logo

244 / 355 page

2-156

38B5 Group User’s Manual

APPLICATION

2.11 Clock generating circuit

Fig. 2.11.7 Initial setting of relevant registers

CPU mode register (address 003B16)

CPUM

Port XC: XCIN-XCOUT oscillation function

CPU mode register (address 003B16)

CPUM0 0

0 0

Internal system clock: f(XIN) (high-speed mode)

Timer 1 (address 002016)

T13F16

Set (Division ratio -1); 63 (3F16)

Timer 12 mode register (address 002816)

T12M0 0 0

Timer 1 count: Operating

Timer 2 count: Operating

Timer 1 count source: f(XIN)/16

Timer 2 count source: Timer 1 underflow

P45 I/O port

Timer 34 mode register (address 002916)

T34M

Timer 3 count: Operating

Timer 3 count source: Timer 2 underflow

P46 I/O port

Interrupt request register 1 (address 003C16)

IREQ10

Set “0” to timer 1 interrupt request bit

Set “0” to timer 3 interrupt request bit

Interrupt control register 1 (address 003E16)

ICON11

Timer 1 interrupt: Enabled

M38B53M4-059FP Datasheet(PDF) 244 Page - Mitsubishi Electric Semiconductor