參數(shù)資料
型號(hào)： P87LPC764
英文描述： Low power. low price. low pin count (20 pin) microcontroller with 4 kbyte OTP
中文描述： 低功耗。低廉的價(jià)格。低引腳數(shù)（20針）4字節(jié)檢察官辦公室微控制器
文件頁(yè)數(shù)： 16/56頁(yè)
文件大?。?/td> 312K
代理商： P87LPC764
Philips Semiconductors
Preliminary specification
87LPC762
Low power, low price, low pin count (20 pin)
microcontroller with 2 kbyte OTP
2001 Apr 04
13
BIT
I2CON.7
“
I2CON.6
“
SYMBOL
RDAT
CXA
ATN
IDLE
FUNCTION
Read: the most recently received data bit.
Write: clears the transmit active flag.
Read: ATN = 1 if any of the flags DRDY, ARL, STP, or STP = 1.
Write: in the I
2
C slave mode, writing a 1 to this bit causes the I
2
C hardware to ignore the bus until it
is needed again.
Read: Data Ready flag, set when there is a rising edge on SCL.
Write: writing a 1 to this bit clears the DRDY flag.
Read: Arbitration Loss flag, set when arbitration is lost while in the transmit mode.
Write: writing a 1 to this bit clears the CARL flag.
Read: Start flag, set when a start condition is detected at a master or non-idle slave.
Write: writing a 1 to this bit clears the STR flag.
Read: Stop flag, set when a stop condition is detected at a master or non-idle slave.
Write: writing a 1 to this bit clears the STP flag.
Read: indicates whether this device is currently as bus master.
Write: writing a 1 to this bit causes a repeated start condition to be generated.
Read: undefined.
Write: writing a 1 to this bit causes a stop condition to be generated.
I2CON.5
“
I2CON.4
“
I2CON.3
“
I2CON.2
“
I2CON.1
“
I2CON.0
“
DRDY
CDR
ARL
CARL
STR
CSTR
STP
CSTP
MASTER
XSTR
—
XSTP
* Due to the manner in which bit addressing is implemented in the 80C51 family, the I2CON register should never be altered by
use of the SETB, CLR, CPL, MOV (bit), or JBC instructions. This is due to the fact that read and write functions of this register
are different. Testing of I2CON bits via the JB and JNB instructions is supported.
—
SU01155
MASTER
STP
STR
ARL
DRDY
ATN
RDAT
0
1
2
3
4
5
6
7
I2CON
Reset Value: 81h
Bit Addressable*
Address: D8h
XSTP
XSTR
CSTP
CSTR
CARL
CDR
IDLE
CXA
READ
WRITE
Figure 6. I
2
C Control Register (I2CON)
BIT
I2DAT.7
SYMBOL
RDAT
FUNCTION
Read: the most recently received data bit, captured from SDA at every rising edge of SCL. Reading
I2DAT also clears DRDY and the Transmit Active state.
Write: sets the data for the next transmitted bit. Writing I2DAT also clears DRDY and sets the
Transmit Active state.
Unused.
“
XDAT
I2DAT.6–0
–
—
SU01156
—
—
—
—
—
—
RDAT
0
1
2
3
4
5
6
7
I2DAT
Reset Value: xxh
Not Bit Addressable
Address: D9h
—
—
—
—
—
—
—
XDAT
READ
WRITE
Figure 7. I
2
C Data Register (
I
2DAT)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P87LPC764BD 制造商:PHILIPS-SEMI 功能描述:
P87LPC764BD,512 功能描述:8位微控制器 -MCU 80C51 4K/128 OTP 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
P87LPC764BD/01 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Low power, low price, low pin count (20 pin) microcontroller with 4 kbyte OTP
P87LPC764BD/01,529 功能描述:8位微控制器 -MCU 4K/128 OTP 2.7-6V LO PWR SO20 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
P87LPC764BD/CP3220 制造商:NXP Semiconductors 功能描述:- Rail/Tube
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