P87C552 NXP Semiconductors, P87C552 Datasheet - Page 57

• Manufacturer Part Number: P87C552
• Description: The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in anadvanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
0160
0163
0166
00D0
00D2
00D4
00D6
0168
016B
016E
0170
0173
0176
0178
017B
017E
2003 Apr 01
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
capture/compare, high I/O, low voltage (2.7 V to 5.5 V), low power
75D8C5
75D018
01D0
7840
7908
D0D0
32
75D8E5
75D018
01D0
75D8C5
75D018
01D0
75D8E5
75D018
01D0
!********************************************************************************************************
!********************************************************************************************************
! SLAVE RECEIVER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : DATA will be received and ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
.sect
.base
INITSRD:
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
!
! ACTION : DATA will be received and ACK returned.
!
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : DATA will be received and ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
!
! ACTION : DATA will be received and ACK returned.
!
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
: 60, Own SLA+W have been received, ACK returned.
srs60
0x160
insrd
0xd0
: 68, Arbitration lost in SLA and R/W as MST
srs68
0x168
: 70, General call has been received, ACK returned.
srs70
0x170
: 78, Arbitration lost in SLA+R/W as MST.
srs78
0x178
Own SLA+W have been received, ACK returned
STA is set to restart MST mode after the bus is free again.
General call has been received, ACK returned.
STA is set to restart MST mode after the bus is free again.
2
C, PWM,
mov
mov
ajmp INITSRD
mov
mov
pop
reti
mov
mov
ajmp INITSRD
mov
mov
ajmp initsrd
mov
mov
ajmp INITSRD
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw,#SELRB3
r0,#SRD
r1,#8
psw
S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
psw,#SELRB3
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw,#SELRB3
S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
psw,#SELRB3
57
! clr SI, set AA
! clr SI, set AA
! Initialize SRD counter
! Initialize SRD counter
P87C552
Product data