參數(shù)資料
型號: P87LPC767BN,112
廠商: NXP Semiconductors
文件頁數(shù): 27/61頁
文件大?。?/td> 0K
描述: IC 80C51 MCU 4K OTP 20-DIP
產(chǎn)品培訓模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標準包裝: 18
系列: LPC700
核心處理器: 8051
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,UART/USART
外圍設備: 欠壓檢測/復位,LED,POR,WDT
輸入/輸出數(shù): 18
程序存儲器容量: 4KB(4K x 8)
程序存儲器類型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
數(shù)據(jù)轉換器: A/D 4x8b
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 管件
產(chǎn)品目錄頁面: 706 (CN2011-ZH PDF)
其它名稱: 568-1018-5
935264008112
P87LPC767BN
Philips Semiconductors
Product data
P87LPC767
Low power, low price, low pin count (20 pin)
microcontroller with 4-kbyte OTP and 8-bit A/D converter
2002 Mar 25
30
Low Voltage EPROM Operation
The EPROM array contains some analog circuits that are not
required when VDD is less than 4 V, but are required for a VDD
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 VDD less than 4 V.
Reset
The P87LPC767 has an integrated power-on reset circuit which
always provides a reset when power is initially applied to the device.
It is recommended to use the internal reset whenever possible to
save external components and to be able to use pin P1.5 as a
general-purpose input pin.
The P87LPC767 can additionally be configured to use P1.5 as an
external active-low reset pin RST by programming the RPD bit in the
User Configuration Register UCFG1 to 0. The internal reset is still
active on power-up of the device. While the signal on the RST pin is
low, the P87LPC767 is held in reset until the signal goes high.
The watchdog timer on the P87LPC767 can act as an oscillator fail
detect because it uses an independent, fully on-chip oscillator.
UCFG1 is described in the System Configuration Bytes section of
this datasheet.
SU01359
87LPC767
P1.5
Pin is used as
digital input pin
Internal power-on
Reset active
UCFG1.RPD = 1 (default)
RST
Pin is used as
active-low reset pin
Internal power-on
Reset active
UCFG1.RPD = 0
Figure 22. Using pin P1.5 as general purpose input pin or as low-active reset pin
SU01170
CHIP RESET
CPU
CLOCK
Q
RESET
TIMING
RPD (UCFG1.6)
WDT
MODULE
SOFTWARE RESET
SRST (AUXR1.3)
POWER MONITOR
RESET
RST/VPP PIN
WDTE (UCFG1.7)
S
R
Figure 23. Block Diagram Showing Reset Sources
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P87LPC767FD,512 功能描述:8位微控制器 -MCU 4K/128 OTP LPC 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
P87LPC767FN 功能描述:8位微控制器 -MCU 4K/128 OTP LPC ADC EXT 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
P87LPC767FN,112 功能描述:8位微控制器 -MCU 4K/128 OTP LPC 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
P87LPC767HD 制造商:PHILIPS 制造商全稱: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