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參數(shù)資料
| 型號： | 8XC552 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 80C51 FAMILY DERIVATIVES |
| 中文描述： | 80C51系列衍生物 |
| 文件頁數(shù)： | 38/60頁 |
| 文件大?。?/td> | 382K |
| 代理商： | 8XC552 |
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Philips Semiconductors
80C51 Family Derivatives
8XC552/562 overview
1996 Aug 06
38
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 80, Previously addressed with own SLA. DATA received, ACK returned.
! ACTION
: Read DATA.
!
IF received DATA was the last
!
THEN superfluous DATA will be received and NOT ACK returned
ELSE next DATA will be received and ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs80
.base
0x180
0180
0183
0185
75D018
A6DA
01D8
mov
mov
ajmp REC2
psw,#SELRB3
@r0,S1DAT
! Read received DATA
.sect
.base
srs80s
0xd8
00D8
00DA
D906
75D8C1
REC2:
LDAT:
djnz
mov
r1,NOTLDAT3
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_NOTAA_CR0
! clr SI,AA
00DD
00DF
00E0
D0D0
32
75D8C5
pop
reti
mov
psw
NOTLDAT3:
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI, set AA
00E3
00E4
00E6
08
D0D0
32
inc
pop
reti
r0
psw
RETsr:
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 88, Previously addressed with own SLA. DATA received NOT ACK returned.
! ACTION
: No save of DATA, Enter NOT addressed SLV mode.
!
Recognition of own SLA. General call recognized, if S1ADR. 0–1.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs88
.base
0x188
0188
75D8C5
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI, set AA
018B
01E4
ajmp RETsr
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 90, Previously addressed with general call.
!
DATA has been received, ACK has been returned.
! ACTION
: Read DATA.
After General call only one byte will be received with ACK
!
the second DATA will be received with NOT ACK.
!
DATA will be received and NOT ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs90
.base
0x190
0190
0193
0195
75D018
A6DA
01DA
mov
mov
ajmp LDAT
psw,#SELRB3
@r0,S1DAT
! Read received DATA
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 98, Previously addressed with general call.
!
DATA has been received, NOT ACK has been returned.
! ACTION
: No save of DATA, Enter NOT addressed SLV mode.
Recognition of own SLA. General call recognized, if S1ADR. 0–1.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs98
.base
0x198
0198
75D8C5
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI, set AA
019B
019D
D0D0
32
pop
reti
psw
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 8XC562 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 FAMILY DERIVATIVES |
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