H8S2245 datasheet(182/818 Pages) RENESAS

tên linh kiện	H8S2245

Giải thích chi tiết về linh kiện	Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series

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Section 6 Bus Controller

Rev.3.00 Mar. 26, 2007 Page 140 of 772

REJ09B0355-0300

Bits 3 and 2—Area 1 Wait Control 1 and 0 (W11, W10): These bits select the number of

program wait states when area 1 in external space is accessed while the AST1 bit in ASTCR is set

to 1.

Bit 3

Bit 2

W11

W10

Description

Program wait not inserted when external space area 1 is accessed

1 program wait state inserted when external space area 1 is accessed

2 program wait states inserted when external space area 1 is accessed

3 program wait states inserted when external space area 1 is accessed

(Initial value)

Bits 1 and 0—Area 0 Wait Control 1 and 0 (W01, W00): These bits select the number of

program wait states when area 0 in external space is accessed while the AST0 bit in ASTCR is set

to 1.

Bit 1

Bit 0

W01

W00

Description

Program wait not inserted when external space area 0 is accessed

1 program wait state inserted when external space area 0 is accessed

2 program wait states inserted when external space area 0 is accessed

3 program wait states inserted when external space area 0 is accessed

(Initial value)

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