7721 datasheet(22/577 Pages) RENESAS

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7721 데이터시트(PDF) 22 Page - Renesas Technology Corp

부품명	7721

상세설명	16-BIT SINGLE-CHIP MICROCOMPUTER

PDF	577 Pages

Scroll/Zoom	100%

제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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22 / 577 page

DESCRIPTION

7721 Group User’s Manual

1–7

1.4 Block diagram

Figure 1.4.1 shows the M37721 block diagram.

1.4 Block diagram

Data Buffer DBL (8)

Instruction Queue Buffer Q2 (8)

Data Bank Register DT (8)

Program Counter PC (16)

Incrementer/Decrementer (24)

Program Bank Register PG (8)

Input Buffer Register IB (16)

Direct Page Register DPR (16)

Stack Pointer S (16)

Index Register Y (16)

Index Register X (16)

Arithmetic Logic

Unit (16)

Accumulator A (16)

Data Bus (Odd)

Incrementer (24)

Program Address Register PA (24)

Data Address Register DA (24)

Address Bus

Processor Status Register PS (11)

Note: For the M37721S1BFP, the RAM size is 512 bytes.

Accumulator B (16)

Instruction Queue Buffer Q1 (8)

Instruction Queue Buffer Q0 (8)

Data Buffer DBH (8)

Data Bus (Even)

Fig. 1.4.1 M37721 block diagram

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