P87C552 NXP Semiconductors, P87C552 Datasheet - Page 60

• 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
01B8
01BB
01BD
00F8
00FB
00FC
00FE
01C0
01C3
01C5
01C8
01CB
01CD
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
75D018
87DA
01F8
75D8C5
09
D0D0
32
75D8C5
D0D0
32
75D8C5
D0D0
32
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : DATA will be transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
.sect
.base
SCON:
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : Enter not addressed SLV mode.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
! ACTION : Enter not addressed SLV mode.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
!********************************************************************************************************
!********************************************************************************************************
! END OF SI01 INTERRUPT ROUTINE
!********************************************************************************************************
!********************************************************************************************************
: B8, DATA has been transmitted, ACK received.
stsb8
0x1b8
scn
0xf8
: C0, DATA has been transmitted, NOT ACK received.
stsc0
0x1c0
: C8, Last DATA has been transmitted (AA=0), ACK received.
stsc8
0x1c8
2
C, PWM,
mov
mov
ajmp SCON
mov
inc
pop
reti
mov
pop
reti
mov
pop
reti
psw,#SELRB3
S1DAT,@r1
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
r1
psw
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw
60
! clr SI, set AA
! clr SI, set AA
! clr SI, set AA
P87C552
Product data