參數(shù)資料
型號(hào)： P87C554SFBD
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 微控制器/微處理器
英文描述： 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
中文描述： 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP64
封裝： 10 X 10 X 1.40 MM, PLASTIC, LQFP-64
文件頁(yè)數(shù)： 58/76頁(yè)
文件大小： 400K
代理商： P87C554SFBD
Philips Semiconductors
Preliminary specification
80C554/83C554/87C554
80C51 8-bit microcontroller – 6 clock operation
16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I
2
C, PWM,
capture/compare, high I/O, 64L LQFP
2000 Nov 10
58
!********************************************************************************************************
!********************************************************************************************************
! 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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