7513 datasheet(12/66 Pages) RENESAS

Part #	7513

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PDF	66 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

7513 Group

[CPU Mode Register (CPUM)] 003B16

The CPU mode register contains the stack page selection bit and

the internal system clock selection bit.

The CPU mode register is allocated at address 003B16.

Fig. 8 Structure of CPU mode register

Not available

Processor mode bits

b1b0

00 : Single-chip mode

01 :

10 :

11 :

Stack page selection bit

0 : 0 page

1 : 1 page

Not used (returns “1” when read)

(Do not write “0” to this bit.)

Sub-clock (XCIN-XCOUT) stop bit

0 : Stopped

1 : Oscillating

Main clock (XIN-XOUT) stop bit

0 : Oscillating

1 : Stopped

Main clock division ratio selection bit

0 : XIN/2 (high-speed mode)

1 : XIN/8 (middle-speed mode)

Internal system clock selection bit

0 : XIN-XOUT selected (middle-/high-speed mode)

1 : XCIN-XCOUT selected (low-speed mode)

CPU mode register

(CPUM (CM) : address 003B16)

7513 Datasheet(PDF) 12 Page - Renesas Technology Corp