6V7 datasheet(24/298 Pages) RENESAS

Part #	6V7

Description	SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

PDF	298 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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24 / 298 page

Rev.1.00

May 18, 2004

page 24 of 296

M306V7MG/MH/MJ/MJA-XXXFP, M306V7FG/FH/FJ/FJAFP

Figure 2.4.1 Processor mode register 0

Processor mode register 0 (Note 1)

Symbol

Address

When reset

PM0

000416

0016 (Note 2)

Bit name

Function

Bit symbol

b7b6b5b4b3b2b1b0

0 0: Single-chip mode

0 1: Memory expansion mode

1 0: Inhibited

1 1: Microprocessor mode

b1 b0

PM03

PM01

PM00

Processor mode bit

PM02

R/W mode select bit

0 : RD,BHE,WR

1 : RD,WRH,WRL

Software reset bit

The device is reset when this bit is set

to “1”. The value of this bit is “0” when

read.

PM04

PM05

PM06

PM07

Port P40 to P43 function

select bit (Note 3)

0 : Address output

1 : Port function

(Address is not output)

BCLK output disable bit

0 : BCLK is output

1 : BCLK is not output

(Pin is left floating)

Notes 1: Set bit 1 of the protect register (address 000A16) to “1” when writing new

values to this register.

2: If the VCC voltage is applied to the CNVSS, the value of this register when

reset is 0316. (PM00 and PM01 both are set to “1”.)

3: Valid in microprocessor and memory expansion modes.

Reserved bit

Must always be set to “0”

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