MPC89X53AF datasheet(32/38 Pages) MEGAWIN

Part #	MPC89x53AF

Description	8-bit micro-controller

PDF	38 Pages

Scroll/Zoom	100%

Manufacturer	MEGAWIN [Megawin Technology Co., Ltd]

Direct Link	http://www.megawin.com.tw/megawin_EN/Index.asp

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32 / 38 page

Note for Other SFR

SFR: AUXR

Bit-7

Bit-6

Bit-5

Bit-4

Bit-3

Bit-2

Bit-1

Bit-0

ERAM

ERAM: Define if hide the expanded RAM, so to access to the external RAM

0: = The internal auxiliary RAM access is enabled

1: =The internal auxiliary RAM access is disabled. The MOVX instructions always direct to

external RAM.

AO: 0: = ALE is emitted at a constant rate of 1/6 the oscillator frequency for 12T mode, and at a constant

rate of 1/3 the oscillator frequency for 6T mode

1: = ALE is active only during access to external memory for both MOVC and MOVX

SFR: AUXR1

Bit-7

Bit-6

Bit-5

Bit-4

Bit-3

Bit-2

Bit-1

Bit-0

GF2

DPS

GF2: General purpose flag

DPS: Data pointer switch

0: = Make the data pointer-0 active

1: = Make the data pointer-1 active

MPC89x53A Data Sheet

MEGAWIN

MPC89x53AF Datasheet(PDF) 32 Page - Megawin Technology Co., Ltd