SH7041A datasheet(705/923 Pages) RENESAS

Part #	SH7041A

Description	Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

PDF	923 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

705 / 923 page

667

The operating mode determines whether the on-chip ROM is valid or not. The operating mode is

selected using mode-setting pins MD3–MD0 as shown in table 20.1. If you are using the on-chip

ROM, select mode 2 or mode 3; if you are not, select mode 0 or 1. The on-chip ROM is allocated

to addresses H'00000000–H'0000FFFF of memory area 0 for the 64-kbyte version, H'00000000–

H'0001FFFF of memory area 0 for the 128-kbyte version and H'00000000–H'0003FFFF of

memory area 0 for the 256-kbyte version.

Table 20.1 Operation Modes and ROM

Mode Setting Pin

Operation Mode

MD3 MD2 MD1 MD0 Area 0

Mode 0 (MCU mode 0)

On-chip ROM invalid, external 8-bit space (112

pin and 120 pin), external 16-bit space (144 pin)

Mode 1 (MCU mode 1)

On-chip ROM invalid, external 16-bit space (112

pin and 120 pin), external 32-bit space (144 pin)

Mode 2 (MCU mode 2)

On-chip ROM valid, external space (bus width set

with bus state controller)

Mode 3 (MCU mode 3)

On-chip ROM valid, single-chip mode

0: Low

1: High

*: Refer to section 3, Operating Modes.

SH7041A Datasheet(PDF) 705 Page - Renesas Technology Corp