參數(shù)資料
型號(hào)： 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(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)： 56/102頁(yè)
文件大小： 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
56
!********************************************************************************************************
! INITIALIZATION ROUTINE
! Example to initialize IIC Interface as slave receiver or slave transmitter and
! start a MASTER TRANSMIT or a MASTER RECEIVE function. 4 bytes will be transmitted or received.
!********************************************************************************************************
.sect
strt
.base
0x00
ajmp INIT
0000
4100
! RESET
.sect
.base
INIT:
initial
0x200
0200
75DB31
mov
S1ADR,#OWNSLA
! Load own SLA + enable
! general call recognition
! P1.6 High level.
! P1.7 High level.
0203
0205
0207
020A
020D
020F
D296
D297
755001
43A8A0
C2BD
75D8C5
setb
setb
mov
orl
clr
mov
P1(6)
P1(7)
HADD,#PAG1
IEN0,#ENSIO1
SIO1HP
S1CON, #ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0
! Enable SIO1 interrupt
! SIO1 interrupt LOW priority
! Initialize SLV funct.
!********************************************************************************************************
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! START MASTER TRANSMIT FUNCTION
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
0212
0215
0218
755204
7551C0
D2DD
mov
mov
setb
NUMBYTMST,#0x4
SLA,#SLAW
STA
! Transmit 4 bytes.
! SLA+W, Transmit funct.
! set STA in S1CON
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! START MASTER RECEIVE FUNCTION
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
mov
NUMBYTMST,#0x4
mov
SLA,#SLAR
setb
STA
021A
021D
0220
755204
7551C1
D2DD
! Receive 4 bytes.
! SLA+R, Receive funct.
! set STA in S1CON
!********************************************************************************************************
! SIO1 INTERRUPT ROUTINE
!********************************************************************************************************
.sect
intvec
.base
0x00
! SIO1 interrupt vector
! S1STA and HADD are pushed onto the stack.
! They serve as return address for the RET instruction.
! The RET instruction sets the Program Counter to address HADD,
! S1STA and jumps to the right subroutine.
002B
002D
002F
0031
C0D0
C0D9
C050
22
push psw
push S1STA
push HADD
ret
! save psw
! JMP to address HADD,S1STA.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
! STATE
: 00, Bus error.
! ACTION
: Enter not addressed SLV mode and release bus. STO reset.
!– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
.sect
st0
.base
0x100
0100
75D8D5
mov
S1CON,#ENS1_NOTSTA_STO_NOTSI_AA_CR0 ! clr SI
! set STO,AA
0103
0105
D0D0
32
pop
reti
psw
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P87C660X2BBD,157 功能描述:8位微控制器 -MCU 16K/512 OTP 12/6 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度: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
P87C660X2FA,529 功能描述:8位微控制器 -MCU 80C51 16K/512 OTP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度: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
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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
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