參數(shù)資料
型號(hào): P87C654X2
廠商: NXP Semiconductors N.V.
英文描述: Octal Edge-Triggered D-Type Flip-Flops with 3-State Outputs 20-CDIP -55 to 125
中文描述: 80C51的8位單片機(jī)系列16kB的檢察官辦公室/光盤,256B的RAM,低電壓(2.7至5.5 V),低功耗,高速(三十三分之三十〇兆赫)
文件頁(yè)數(shù): 60/88頁(yè)
文件大小: 497K
代理商: P87C654X2
Philips Semiconductors
Product data
P83C654X2/P87C654X2
80C51 8-bit microcontroller family
16 kB OTP/ROM,
256B RAM, low voltage (2.7 to 5.5 V), low power, high speed
(30/33 MHz)
2004 Apr 20
60
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: B8, DATA has been transmitted, ACK received.
! ACTION
: DATA will be transmitted, ACK bit is received.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
stsb8
.base
0x1b8
mov
psw,#SELRB3
mov
S1DAT,@r1
ajmp SCON
01B8
01BB
01BD
75D018
87DA
01F8
.sect
.base
scn
0xf8
00F8
75D8C5
SCON:
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr SI, set AA
00FB
00FC
00FE
09
D0D0
32
inc
pop
reti
r1
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: C0, DATA has been transmitted, NOT ACK received.
! ACTION
: Enter not addressed SLV mode.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
stsc0
.base
0x1c0
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
01C0
75D8C5
! clr SI, set AA
01C3
01C5
D0D0
32
pop
reti
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: C8, Last DATA has been transmitted (AA=0), ACK received.
! ACTION
: Enter not addressed SLV mode.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
stsc8
.base
0x1c8
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
01C8
75D8C5
! clr SI, set AA
01CB
01CD
D0D0
32
pop
reti
psw
!********************************************************************************************************
!********************************************************************************************************
! END OF SI01 INTERRUPT ROUTINE
!********************************************************************************************************
!********************************************************************************************************
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