P87C660X2 PHILIPS [NXP Semiconductors], P87C660X2 Datasheet - Page 63

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

Philips Semiconductors
01B8
01BB
01BD
00F8
00FB
00FC
00FE
01C0
01C3
01C5
01C8
01CB
01CD
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
75D018
87DA
01F8
75D8C5
09
D0D0
32
75D8C5
D0D0
32
75D8C5
D0D0
32
2
C interfaces
Figure 30. Internal and External Data Memory Address Space with EXTRAM = 0
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! 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 SIO1 INTERRUPT ROUTINE
!********************************************************************************************************
!********************************************************************************************************
16 KB OTP/ROM, 512B
: 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
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
63
! clr SI, set AA
! clr SI, set AA
! clr SI, set AA
P8xC660X2/661X2
Product data