P83C654X2FBD/CV710 NXP Semiconductors, P83C654X2FBD/CV710 Datasheet - Page 54

• Manufacturer Part Number: P83C654X2FBD/CV710
• Description: 8-bit Microcontrollers - MCU P83C654X2FBD/LQFP44/TRAYBM//CV
• Manufacturer: NXP Semiconductors

Specifications of P83C654X2FBD/CV710

• Core: 80C51
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Program Memory Size: 16 KB
• Data Ram Size: 256 B
• Operating Supply Voltage: 5 V
• Package / Case: SOT-187-2
• Mounting Style: SMD/SMT
• Interface Type: I2C, Serial
• Number Of Programmable I/os: 4
• Number Of Timers: 3
• Processor Series: 80C51
• Program Memory Type: OTP EPROM

Philips Semiconductors
0108
010B
010E
0110
0113
010E
00A0
00A3
00A5
00A7
00AA
00AC
0118
011B
011D
2004 Apr 20
80C51 8-bit microcontroller family
256B RAM, low voltage (2.7 to 5.5 V), low power, high speed
(30/33 MHz)
8551DA
75D8C5
01A0
8551DA
75D8C5
01A0
75D018
7930
7838
855253
D0D0
32
75D018
87DA
01B5
!********************************************************************************************************
!********************************************************************************************************
! 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
! ACTION : SLA+R/W are transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
!
! ACTION : SLA+R/W are transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
.sect
.base
INITBASE1:
!********************************************************************************************************
!********************************************************************************************************
! MASTER TRANSMITTER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
!
! ACTION : First DATA is transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
.base
16 kB OTP/ROM,
: 08, A, START condition has been transmitted.
mts8
0x108
: 10, A repeated START condition has been
mts10
0x110
ibase1
0xa0
: 18, Previous state was STATE 8 or STATE 10, SLA+W have been transmitted,
mts18
0x118
transmitted.
ACK has been received.
mov
mov
ajmp INITBASE1
mov
mov
ajmp INITBASE1
mov
mov
mov
mov
pop
reti
mov
mov
ajmp CON
S1DAT,SLA
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
S1DAT,SLA
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
psw,#SELRB3
r1,#MTD
r0,#MRD
BACKUP,NUMBYTMST
psw
psw,#SELRB3
S1DAT,@r1
54
P83C654X2/P87C654X2
! Load SLA+R/W
! clr SI
! Load SLA+R/W
! clr SI
! Save initial value
Product data