P87C660X2 PHILIPS [NXP Semiconductors], P87C660X2 Datasheet - Page 62

• Manufacturer Part Number: P87C660X2
• Description: 80C51 8-bit microcontroller family
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
01A0
01A3
01A5
01A8
01AB
01AE
00E8
00EB
00ED
00EE
00F0
01B0
01B3
01B6
2003 Oct 02
80C51 8-bit microcontroller family
RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33
MHz), two 400KB I
75D8C5
D0D0
32
8548DA
75D8C5
01E8
75D018
7948
09
D0D0
32
8548DA
75D8E5
01E8
2
C interfaces
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! 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
16 KB OTP/ROM, 512B
: 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.
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
62
! clr SI, set AA
! load DATA in S1DAT
! clr SI, set AA
! load DATA in S1DAT
P8xC660X2/661X2
Product data