80C554 Datasheet, PDF (60/76 Pages) NXP Semiconductors – 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

Philips Semiconductors
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
Preliminary specification
80C554/83C554/87C554
01A0 75D8C5
01A3 D0D0
01A5 32
01A8 8548DA
01AB 75D8C5
01AE 01E8
00E8
00EB
00ED
00EE
00F0
75D018
7948
09
D0D0
32
01B0
01B3
01B6
8548DA
75D8E5
01E8
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE : A0, A STOP condition or repeated START has been received,
!
while still addressed as SLV/REC or SLV/TRX.
! ACTION : No save of DATA, Enter NOT addressed SLV mode.
!
Recognition of own SLA. General call recognized, if S1ADR. 0–1.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
srsA0
.base
0x1a0
mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI, set AA
pop psw
reti
!********************************************************************************************************
!********************************************************************************************************
! SLAVE TRANSMITTER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE : A8, Own SLA+R received, ACK returned.
! ACTION : DATA will be transmitted, A bit received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
stsa8
.base
0x1a8
mov S1DAT,STD
! load DATA in S1DAT
mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI, set AA
ajmp INITBASE2
.sect
ibase2
.base
0xe8
INITBASE2:
mov psw,#SELRB3
mov r1, #STD
inc r1
pop psw
reti
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE : B0, Arbitration lost in SLA and R/W as MST. Own SLA+R received, ACK returned.
! ACTION : DATA will be transmitted, A bit received.
!
STA is set to restart MST mode after the bus is free again.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
stsb0
.base
0x1b0
mov S1DAT,STD
! load DATA in S1DAT
mov S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
ajmp INITBASE2
2000 Nov 10
60