87C151SA datasheet(30/33 Pages) INTEL

tên linh kiện	87C151SA

Giải thích chi tiết về linh kiện	HIGH-PERFORMANCE CHMOS MICROCONTROLLER

PDF	33 Pages

Scroll/Zoom	100%

nhà sản xuất	INTEL [Intel Corporation]

Trang chủ	http://www.intel.com

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30 / 33 page

8XC151SASB HIGH-PERFORMANCE CHMOS MICROCONTROLLER

UCONFIG0

Address FFF8H

WSA1

WSA0

XALE

PAGE

Bit

Function

Number

Mnemonic

Reserved

WSA1

Wait State Select for external code

WSA0

WSA1

WSA0

Description

(see Note)

No wait states

Insert 1 wait state

Insert 2 wait states

Insert 3 wait states

XALE

Extend Ale

If this bit is set the time of the ALE pulse is TOSC Clearing this bit

extends the time of the ALE pulse from TOSC to 3TOSC which adds

one external wait state

PAGE

Page Mode Select

Clear this bit for page-mode (A158D70 on P2 and A70 on P0) Set

this bit for nonpage-mode (A158 on P2 and A70D70 on P0

(compatible with MCS 51 microcontrollers))

NOTE

Factory-programmed ROM and OTPROM versions of 8XC151SASB use configuration byte information supplied in a

separate hexadecimal disk file 8XC151SASB devices without internal ROMOTPROM arrays fetch configuration byte

information from external application memory based on an internal address range of FFF98H

Figure 17 Configuration Byte 0

87C151SA bảng dữ liệu(PDF) 30 Page - Intel Corporation