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參數(shù)資料
型號(hào)： P87LPC760
廠商： NXP Semiconductors N.V.
英文描述： Low power, low price, low pin count (14 pin) microcontroller with 1 kbyte OTP
中文描述： 低功耗，低價(jià)格，低引腳數(shù)（14針），1字節(jié)檢察官辦公室微控制器
文件頁(yè)數(shù)： 31/56頁(yè)
文件大?。?/td> 290K
代理商： P87LPC760
Philips Semiconductors
Preliminary data
P87LPC760
Low power, low price, low pin count (14 pin)
microcontroller with 1 kbyte OTP
2002 Mar 07
28
Mode 0
Putting either Timer into Mode 0 makes it look like an 8048 Timer,
which is an 8-bit Counter with a divide-by-32 prescaler. Figures 24
and 25 show Mode 0 operation.
In this mode, the Timer register is configured as a 13-bit register. As
the count rolls over from all 1s to all 0s, it sets the Timer interrupt
flag TFn. The count input is enabled to Timer 0 when TR0 = 1 and
either GATE = 0 or INT0 = 1. (Setting GATE = 1 allows the Timer to
be controlled by external input INT0, to facilitate pulse width
measurements). TRn is a control bit in the Special Function Register
TCON (Figure 23). The GATE bit is in the TMOD register (TMOD.3).
The 13-bit register consists of all 8 bits of THn and the lower 5 bits
of TLn. The upper 3 bits of TLn are indeterminate and should be
ignored. Setting the run flag (TRn) does not clear the registers.
Mode 0 operation is slightly different for Timer 0 and Timer 1. See
Figures 24 and 25.
BIT
TCON.7
SYMBOL
TF1
FUNCTION
Timer 1 overflow flag. Set by hardware on Timer/Counter overflow. Cleared by hardware when the
interrupt is processed, or by software.
Timer 1 Run control bit. Set/cleared by software to turn Timer/Counter 1 on/off.
Timer 0 overflow flag. Set by hardware on Timer/Counter overflow. Cleared by hardware when the
processor vectors to the interrupt routine, or by software.
Timer 0 Run control bit. Set/cleared by software to turn Timer/Counter 0 on/off.
Reserved (must be 0).
Interrupt 0 Edge flag. Set by hardware when external interrupt 0 edge is detected. Cleared by
hardware when the interrupt is processed, or by software.
Interrupt 0 Type control bit. Set/cleared by software to specify falling edge/low level triggered
external interrupts.
TCON.6
TCON.5
TR1
TF0
TCON.4
TCON.3, 2
TCON.1
TR0
–
IE0
TCON.0
IT0
IT0
SU01543
IE0
–
–
TR0
TF0
TR1
TF1
0
1
2
3
4
5
6
7
TCON
Reset Value: 00h
Bit Addressable
Address: 88h
Figure 23. Timer/Counter Control Register (TCON)
SU01544
TL0
(5 BITS)
TH0
(8 BITS)
OSC/6 OR
OSC/12
OVERFLOW
T0 PIN
T0OE
TOGGLE
CONTROL
C/T = 1
C/T = 0
T0 PIN
TR0
GATE
INT0 PIN
INTERRUPT
TF0
Figure 24. Timer/Counter 0 in Mode 0 (13-Bit Timer/Counter)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P87LPC760BDH 功能描述:8位微控制器 -MCU 80C51 1K/128 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
P87LPC760BDH,112 功能描述:8位微控制器 -MCU 80C51 1K/128 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
P87LPC760BDH,118 功能描述:8位微控制器 -MCU 14 PIN MCU 1KBYTE 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
P87LPC760BN 功能描述:8位微控制器 -MCU 1K/128 OTP 2.7-6V COMM DIP 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
P87LPC760BN,112 功能描述:8位微控制器 -MCU 1K/128 OTP 2.7-6V 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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