7733 datasheet(500/940 Pages) RENESAS

tên linh kiện	7733

Giải thích chi tiết về linh kiện	16-BIT SINGLE-CHIP MICROCOMPUTER

PDF	940 Pages

Scroll/Zoom	100%

nhà sản xuất	RENESAS [Renesas Technology Corp]

Trang chủ	http://www.renesas.com

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500 / 940 page

7733 Group User’s Manual

18–34

LOW VOLTAGE VERSION

Fig. 18.6.3 Memory expansion example on minimum model

18.6.2 Memory expansion example on minimum model

Figure 18.6.3 shows a memory expansion example on the minimum model (with external RAM) and Figure

18.6.4 shows the corresponding timing diagram. In example, an Atmel company’s EPROM (AT27LV256R)

is used as the external ROM.

In Figure 18.6.3, the circuit condition is “No wait.”

000016

008016

External ROM area

(AT27LV256R)

SFR area

Internal RAM area

External RAM area

(M5M5256CFP)

Memory map

A15

A0 to A14

D0 to D7

AC04

AC32

8 MHz

XIN

XOUT

M37733S4LHP

BYTE

R/W

BHE

Open

A0 to A14

D0 to D7

M5M5256CFP-10VLL

AT27LV256R-15DI

AC04

AC32

Circuit conditions : No wait,

A0 to A14

Vcc = 3.3

± 0.3 V

800016

FFFF16

088016

1 Make sure that the propagation delay time is 35 ns or less.

2 Make sure that the propagation delay time is 47 ns or less.

3 Make sure that the propagation delay time is 62 ns or less.

, or

f(XIN)

f(XCIN)

DQ1 to DQ8

18.6 Applications

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