參數(shù)資料
型號(hào)： SM59264
廠商： Electronic Theatre Controls, Inc.
英文描述： 8 - Bit Micro-controller
中文描述： 8 -位微控制器
文件頁(yè)數(shù)： 9/32頁(yè)
文件大?。?/td> 579K
代理商： SM59264
May 2002
Specifications subject to change without notice,contact your sales representatives for the most recent information.
9/32
Ver 1.0
PID 59264 05/02
SyncMOS Technologies Inc. SM59264
With this bank mapping scheme, user can access entire 1k byte on-chip RAM with direct addressing method. That
means
using the window area ($040~$07F), user can access any bank (64 byte) data of 1k byte on-chip RAM space
which is selected by BS[3:0] of data bank control register (DBANK, $86).
For example, user write #30h to $101 address:
MOV DBANK, #88H ; set bank mapping $040~$07f to $0100~$013f
MOV A, #30H ; store #30H to A
MOV 41H, A ; write #30H to $0101 address
Data Bank Control Register (DBANK, $86)
Data bank select enable bit BSE = 1 enables the data bank select function
Data bank select enable bit BSE = 0 disables the data bank select function
BS[3:0] setting will map $040~$07F RAM space to entire 1k byte on-chip RAM space.
bit-7
bit-0
Read:
Write:
Reset value:
BSE
Unused
Unused
Unused
BS3
BS2
BS1
BS0
0
*
*
*
0
0
0
1
BS3
BS2
BS1
BS0
040h~07fh map-
ping address
000h~03fh
040h~07fh
080h~0bfh
0c0h~0ffh
0000h~003fh
0040h~007fh
0080h~00bfh
00c0h~00ffh
0100h~013fh
0140h~017fh
0180h~01bfh
01c0h~01ffh
0200h~023fh
0240h~027fh
0280h~02bfh
02c0h~02ffh
Note
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
lower 128 byte RAM
lower 128 byte RAM
higher 128 byte RAM
higher 128 byte RAM
on-chip expanded 768 byte RAM
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相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SM59264_06 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bits Micro-controller with 128KB flash & 1KB RAM & TWSI & SPWM embedded
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SM59364 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bits Micro-controller
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