83C554 datasheet(58/76 Pages) PHILIPS

58 / 76 page

Philips Semiconductors

Preliminary specification

80C554/83C554/87C554

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

2000 Nov 10

!********************************************************************************************************

! SLAVE RECEIVER STATE SERVICE ROUTINES

!********************************************************************************************************

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

! STATE

: 60, Own SLA+W have been received, ACK returned.

! ACTION : DATA will be received and ACK returned.

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

.sect

srs60

.base

0x160

0160

75D8C5

mov

S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0

! clr SI, set AA

0163

75D018

mov

psw,#SELRB3

0166

01D0

ajmp INITSRD

.sect

insrd

.base

0xd0

00D0

7840

INITSRD:

mov

r0,#SRD

00D2

7908

mov

r1,#8

00D4

D0D0

pop

psw

00D6

reti

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

! STATE

: 68, Arbitration lost in SLA and R/W as MST

Own SLA+W have been received, ACK returned

! ACTION : DATA will be received and ACK returned.

STA is set to restart MST mode after the bus is free again.

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

.sect

srs68

.base

0x168

0168

75D8E5

mov

S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0

016B

75D018

mov

psw,#SELRB3

016E

01D0

ajmp INITSRD

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

! STATE

: 70, General call has been received, ACK returned.

! ACTION : DATA will be received and ACK returned.

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

.sect

srs70

.base

0x170

0170

75D8C5

mov

S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0

! clr SI, set AA

0173

75D018

mov

psw,#SELRB3

! Initialize SRD counter

0176

01D0

ajmp initsrd

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

! STATE

: 78, Arbitration lost in SLA+R/W as MST.

General call has been received, ACK returned.

! ACTION : DATA will be received and ACK returned.

STA is set to restart MST mode after the bus is free again.

!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

.sect

srs78

.base

0x178

0178

75D8E5

mov

S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0

017B

75D018

mov

psw,#SELRB3

! Initialize SRD counter

017E

01D0

ajmp INITSRD

83C554 Datasheet(PDF) 58 Page - NXP Semiconductors

83C554 Datasheet(HTML) 58 Page - NXP Semiconductors

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