80C554 Datasheet, PDF (55/76 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
0108 8551DA
010B 75D8C5
010E 01A0
0110 8551DA
0113 75D8C5
010E 01A0
00A0
00A3
00A5
00A7
00AA
00AC
75D018
7930
7838
855253
D0D0
32
!********************************************************************************************************
!********************************************************************************************************
! MASTER STATE SERVICE ROUTINES
!********************************************************************************************************
! State 08 and State 10 are both for MST/TRX and MST/REC.
! The R/W bit decides whether the next state is within
! MST/TRX mode or within MST/REC mode.
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE : 08, A, START condition has been transmitted.
! ACTION : SLA+R/W are transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts8
.base
0x108
mov S1DAT,SLA
! Load SLA+R/W
mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI
ajmp INITBASE1
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE : 10, A repeated START condition has been
!
transmitted.
! ACTION : SLA+R/W are transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts10
.base
0x110
mov S1DAT,SLA
! Load SLA+R/W
mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI
ajmp INITBASE1
.sect
ibase1
.base
0xa0
INITBASE1:
mov psw,#SELRB3
mov r1,#MTD
mov r0,#MRD
mov BACKUP,NUMBYTMST
pop psw
reti
! Save initial value
0118
011B
011D
75D018
87DA
01B5
!********************************************************************************************************
!********************************************************************************************************
! MASTER TRANSMITTER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE : 18, Previous state was STATE 8 or STATE 10, SLA+W have been transmitted,
!
ACK has been received.
! ACTION : First DATA is transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts18
.base
0x118
mov psw,#SELRB3
mov S1DAT,@r1
ajmp CON
2000 Nov 10
55