參數(shù)資料
型號(hào)： P87LPC767
廠商： NXP Semiconductors N.V.
英文描述： Low power, low price, low pin count 20 pin microcontroller with 4-kbyte OTP and 8-bit A/D converter
中文描述： 低功耗，低價(jià)格，低引腳數(shù)20個(gè)4KB的OTP和8位微控制器引腳/ D轉(zhuǎn)換器
文件頁(yè)數(shù)： 33/60頁(yè)
文件大小： 320K
代理商： P87LPC767
Philips Semiconductors
Product data
87LPC767
Low power, low price, low pin count (20 pin)
microcontroller with 4-kbyte OTP and 8-bit A/D converter
2001 Aug 07
30
Low Voltage EPROM Operation
The EPROM array contains some analog circuits that are not
required when V
DD
is less than 4 V, but are required for a V
DD
greater than 4 V. The LPEP bit (AUXR.4), when set by software, will
power down these analog circuits resulting in a reduced supply
current. LPEP is cleared only by power-on reset, so it may be set
ONLY for applications that always operate with V
DD
less than 4 V.
Reset
The 87LPC767 has an active low reset input when configured for an
external reset. A fully internal reset may also be configured which
provides a reset when power is initially applied to the device. The
watchdog timer can act as an oscillator fail detect because it uses
an independent, fully on-chip oscillator.
The external reset input is disabled, and fully internal reset
generation enabled, by programming the RPD bit in the EPROM
configuration register UCFG1 to 0. EPROM configuration is
described in the section EPROM Characteristics
SU01359
87LPC767
87LPC767
V
DD
8.2 k
10 F
RST
RST
2.2 F
Figure 22. Typical External Reset Circuits
SU01170
CHIP RESET
CPU
CLOCK
Q
RESET
TIMING
RPD (UCFG1.6)
WDT
MODULE
SOFTWARE RESET
SRST (AUXR1.3)
POWER MONITOR
RESET
RST/V
PP
PIN
WDTE (UCFG1.7)
S
R
Figure 23. Block Diagram Showing Reset Sources
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P87LPC767BD 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 and 8-bit A/D converter
P87LPC767BD,512 功能描述:8位微控制器 -MCU 80C51 4K/128 OTP ADC 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
P87LPC767BN 制造商:NXP Semiconductors 功能描述:MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 3.3V/5V 20-Pin PDIP
P87LPC767BN,112 功能描述:8位微控制器 -MCU 80C51 4K/128 OTP ADC 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
P87LPC767FD 功能描述:8位微控制器 -MCU 4K/128 OTP LPC ADC EXT SO20 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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