參數資料
型號: P87C660X2
英文描述: 80C51 8-bit microcontroller family 16KB OTP/ROM. 512B RAM low voltage (2.7 to 5.5 V). low power. high speed (30/33 MHZ). two 400KB I2C interfaces
中文描述: 80C51的8位單片機系列16KB的檢察官辦公室/光盤。 512B RAM的低電壓(2.7至5.5 V)。低功耗。高速(三十三分之三十兆赫)。 2 400KB I2C接口
文件頁數: 58/102頁
文件大?。?/td> 568K
代理商: P87C660X2
Philips Semiconductors
Product data
P8xC660X2/661X2
80C51 8-bit microcontroller family
16 KB OTP/ROM, 512B
RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33
MHz), two 400KB I
2
C interfaces
2003 Oct 02
58
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 20, SLA+W have been transmitted, NOT ACK has been received
! ACTION
: Transmit STOP condition.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts20
.base
0x120
0120
75D8D5
mov
S1CON,#ENS1_NOTSTA_STO_NOTSI_AA_CR0
! set STO, clr SI
0123
0125
D0D0
32
pop
reti
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 28, DATA of S1DAT have been transmitted, ACK received.
! ACTION
: If Transmitted DATA is last DATA then transmit a STOP condition,
!
else transmit next DATA.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts28
.base
0x128
0128
012B
D55285
75D8D5
djnz
mov
NUMBYTMST,NOTLDAT1
S1CON,#ENS1_NOTSTA_STO_NOTSI_AA_CR0
! JMP if NOT last DATA
! clr SI, set AA
012E
01B9
ajmp RETmt
.sect
.base
NOTLDAT1:
mts28sb
0x0b0
00B0
00B3
00B5
75D018
87DA
75D8C5
mov
mov
mov
psw,#SELRB3
S1DAT,@r1
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
CON:
! clr SI, set AA
00B8
00B9
00BB
09
D0D0
32
inc
pop
reti
r1
psw
RETmt :
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 30, DATA of S1DAT have been transmitted, NOT ACK received.
! ACTION
: Transmit a STOP condition.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts30
.base
0x130
0130
75D8D5
mov
S1CON,#ENS1_NOTSTA_STO_NOTSI_AA_CR0
! set STO, clr SI
0133
0135
D0D0
32
pop
reti
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 38, Arbitration lost in SLA+W or DATA.
! ACTION
: Bus is released, not addressed SLV mode is entered.
!
A new START condition is transmitted when the IIC bus is free again.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts38
.base
0x138
0138
013B
013E
75D8E5
855352
01B9
mov
mov
ajmp RETmt
S1CON,#ENS1_STA_NOTSTO_NOTSI_AA_CR0
NUMBYTMST,BACKUP
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PDF描述
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P87C661X2BBD 功能描述:8位微控制器 -MCU 16K/512B OTP 12/6 CLK I2CX2 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT