參數(shù)資料
型號(hào): AN114
英文描述: Interfacing the X9408/X9418 XDCP to 8051 Microcontrollers
中文描述: 數(shù)字電位器的接口X9408/X9418的8051微控制器
文件頁(yè)數(shù): 4/12頁(yè)
文件大小: 262K
代理商: AN114
4 of 12
AN 114
Application Note
www.xicor.com
REV 1.1 11/12/02
SLAVE_ADR7
SLAVE_ADR8
SLAVE_ADR9
SLAVE_ADR10
SLAVE_ADR11
SLAVE_ADR12
SLAVE_ADR13
SLAVE_ADR14
SLAVE_ADR15
;
WCR_0
WCR_1
WCR_2
WCR_3
;
DR_0
DR_1
DR_2
DR_3
;
DCP0_R0
DCP0_R1
DCP0_R2
DCP0_R3
;
DCP1_R0
DCP1_R1
DCP1_R2
DCP1_R3
;
DCP2_R0
DCP2_R1
DCP2_R2
DCP2_R3
;
DCP3_R0
DCP3_R1
DCP3_R2
DCP3_R3
;
equ
equ
equ
equ
equ
equ
equ
equ
equ
057h
058h
059h
05Ah
05Bh
05Ch
05Dh
05Eh
05Fh
equ
equ
equ
equ
00h
01h
02h
03h
equ
equ
equ
equ
00h
04h
08h
0Ch
equ
equ
equ
equ
00h
04h
08h
0Ch
equ
equ
equ
equ
01h
05h
09h
0Dh
equ
equ
equ
equ
02h
06h
0Ah
0Eh
equ
equ
equ
equ
03h
07h
0Bh
0Fh
READWCR
WRITEWCR
READDR
WRITEDR
XFRDR
XFRWCR
GXFRDR
GXFRWCR
INCDECWIPER
equ
equ
equ
equ
equ
equ
equ
equ
equ
0
4
8
12
16
20
24
28
32
;-----------------------------------------------------------------------------
; INTERNAL RAM
;-----------------------------------------------------------------------------
STACK_TOP
equ
060H
; Stack top
;-----------------------------------------------------------------------------
; RESET and INTERRUPT VECTORS
;-----------------------------------------------------------------------------
cseg AT 0
ljmp main ; Locate a jump to the start of code at
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