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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)： | 37/60頁 |
| 文件大小： | 382K |
| 代理商： | 8XC552 |
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Philips Semiconductors
80C51 Family Derivatives
8XC552/562 overview
1996 Aug 06
37
!********************************************************************************************************
!********************************************************************************************************
! SLAVE RECEIVER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 60, Own SLA+W have been received, ACK returned.
! ACTION
: DATA will be received and ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs60
.base
0x160
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
0160
75D8C5
! clr SI, set AA
0163
0166
75D018
01D0
mov
ajmp INITSRD
psw,#SELRB3
.sect
.base
insrd
0xd0
00D0
00D2
00D4
00D6
7840
7908
D0D0
32
INITSRD:
mov
mov
pop
reti
r0,#SRD
r1,#8
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 68, Arbitration lost in SLA and R/W as MST
!
Own SLA+W have been received, ACK returned
! ACTION
: DATA will be received and ACK returned.
!
STA is set to restart MST mode after the bus is free again.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs68
.base
0x168
mov
S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
mov
psw,#SELRB3
ajmp INITSRD
0168
016B
016E
75D8E5
75D018
01D0
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 70, General call has been received, ACK returned.
! ACTION
: DATA will be received and ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs70
.base
0x170
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
0170
75D8C5
! clr SI, set AA
! Initialize SRD counter
0173
0176
75D018
01D0
mov
ajmp initsrd
psw,#SELRB3
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 78, Arbitration lost in SLA+R/W as MST.
!
General call has been received, ACK returned.
! ACTION
: DATA will be received and ACK returned.
!
STA is set to restart MST mode after the bus is free again.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srs78
.base
0x178
mov
S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
mov
psw,#SELRB3
ajmp INITSRD
0178
017B
017E
75D8E5
75D018
01D0
! Initialize SRD counter
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相關代理商/技術參數(shù) |
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|---|---|
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