P87C552 NXP Semiconductors, P87C552 Datasheet - Page 59

• 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
01A0
01A3
01A5
01A8
01AB
01AE
00E8
00EB
00ED
00EE
00F0
01B0
01B3
01B6
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
D0D0
32
8548DA
75D8C5
01E8
75D018
7948
09
D0D0
32
8548DA
75D8E5
01E8
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
!
! ACTION : No save of DATA, Enter NOT addressed SLV mode.
!
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
!********************************************************************************************************
!********************************************************************************************************
! SLAVE TRANSMITTER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : DATA will be transmitted, A bit received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
.sect
.base
INITBASE2:
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : DATA will be transmitted, A bit received.
!
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
: A0, A STOP condition or repeated START has been received,
srsA0
0x1a0
: A8, Own SLA+R received, ACK returned.
stsa8
0x1a8
ibase2
0xe8
: B0, Arbitration lost in SLA and R/W as MST. Own SLA+R received, ACK returned.
stsb0
0x1b0
while still addressed as SLV/REC or SLV/TRX.
Recognition of own SLA. General call recognized, if S1ADR. 0–1.
STA is set to restart MST mode after the bus is free again.
2
C, PWM,
mov
pop
reti
mov
mov
ajmp INITBASE2
mov
mov
inc
pop
reti
mov
mov
ajmp INITBASE2
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw
S1DAT,STD
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw,#SELRB3
r1, #STD
r1
psw
S1DAT,STD
S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
59
! clr SI, set AA
! load DATA in S1DAT
! clr SI, set AA
! load DATA in S1DAT
P87C552
Product data