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參數(shù)資料
| 型號(hào)： | P87C661X2 |
| 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(jī)系列16KB的檢察官辦公室/光盤(pán)。 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(yè)數(shù)： | 59/102頁(yè) |
| 文件大?。?/td> | 568K |
| 代理商： | P87C661X2 |
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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
59
!********************************************************************************************************
!********************************************************************************************************
! MASTER RECEIVER STATE SERVICE ROUTINES
!********************************************************************************************************
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 40, Previous state was STATE 08 or STATE 10,
!
SLA+R have been transmitted, ACK received.
! ACTION
: DATA will be received, ACK returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts40
.base
0x140
0140
75D8C5
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! clr STA, STO, SI set AA
0143
D0D0
32
pop
reti
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 48, SLA+R have been transmitted, NOT ACK received.
! ACTION
: STOP condition will be generated.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mts48
.base
0x148
0148
75D8D5
STOP:
mov
S1CON,#ENS1_NOTSTA_STO_NOTSI_AA_CR0
! set STO, clr SI
014B
014D
D0D0
32
pop
reti
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 50, DATA have been received, ACK returned.
! ACTION
: Read DATA of S1DAT.
!
DATA will be received, if it is last DATA
then NOT ACK will be returned else ACK will be returned.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mrs50
.base
0x150
0150
0153
0155
75D018
A6DA
01C0
mov
mov
ajmp REC1
psw,#SELRB3
@r0,S1DAT
! Read received DATA
.sect
.base
mrs50s
0xc0
00C0
00C3
D55205
75D8C1
REC1:
djnz
mov
NUMBYTMST,NOTLDAT2
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_NOTAA_CR0
! clr SI,AA
00C6
00C8
8003
75D8C5
sjmp RETmr
mov
S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
NOTLDAT2:
! clr SI, set AA
00CB
00CC
00CE
08
D0D0
32
RETmr:
inc
pop
reti
r0
psw
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 58, DATA have been received, NOT ACK returned.
! ACTION
: Read DATA of S1DAT and generate a STOP condition.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
mrs58
.base
0x158
0158
015B
015D
75D018
A6DA
80E9
mov
mov
sjmp STOP
psw,#SELRB3
@R0,S1DAT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT |
| P87C661X2BBD,157 | 功能描述:8位微控制器 -MCU P87C661X2BBD/LQFP44/TRAYBM// RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT |
| P87C661X2FA,529 | 功能描述:8位微控制器 -MCU P87C661X2FA/PLCC44/TUBESMDP// RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT |
| P87C661X2FA-S | 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(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT |
| P87C695AER/C1 | 制造商:NXP Semiconductors 功能描述: 制造商:NXP Semiconductors 功能描述:Electronic Component |
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