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参数资料
| 型号： | P89LPC925 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter |
| 中文描述： | 8 -加速双位单片机80C51的时钟4 KB的核心/ 8 KB的3伏的低功耗Flash 8位A / D转换器 |
| 文件页数： | 2/49页 |
| 文件大小： | 233K |
| 代理商： | P89LPC925 |
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Philips Semiconductors
P89LPC924/925
8-bit microcontrollers with accelerated two-clock 80C51 core
Product data
Rev. 03 — 15 December 2004
2 of 49
9397 750 14471
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
2.2 Additional features
I
20-pin TSSOP package.
I
A high performance 80C51 CPU provides instruction cycle times of 111 ns to
222 ns for all instructions except multiply and divide when executing at 18 MHz.
This is six times the performance of the standard 80C51 running at the same
clock frequency. A lower clock frequency for the same performance results in
power savings and reduced EMI.
I
In-Application Programming of the Flash code memory. This allows changing the
code in a running application.
I
Serial Flash programming allows simple in-circuit production coding. Flash
security bits prevent reading of sensitive application programs.
I
Watchdog timer with separate on-chip oscillator, requiring no external
components. The watchdog prescaler is selectable from eight values.
I
Low voltage reset (Brownout detect) allows a graceful system shutdown when
power fails. May optionally be configured as an interrupt.
I
Idle and two different Power-down reduced power modes. Improved wake-up from
Power-down mode (a low interrupt input starts execution). Typical Power-down
current is 1
μ
A (total Power-down with voltage comparators disabled).
I
Active-LOW reset. On-chip power-on reset allows operation without external reset
components. A reset counter and reset glitch suppression circuitry prevent
spurious and incomplete resets. A software reset function is also available.
I
Oscillator Fail Detect. The watchdog timer has a separate fully on-chip oscillator
allowing it to perform an oscillator fail detect function.
I
Programmable port output configuration options:
N
quasi-bidirectional,
N
open drain,
N
push-pull,
N
input-only.
I
Port ‘input pattern match’ detect. Port 0 may generate an interrupt when the value
of the pins match or do not match a programmable pattern.
I
LED drive capability (20 mA) on all port pins. A maximum limit is specified for the
entire chip.
I
Controlled slew rate port outputs to reduce EMI. Outputs have approximately
10 ns minimum ramp times.
I
Only power and ground connections are required to operate the P89LPC924/925
when internal reset option is selected.
I
Four interrupt priority levels.
I
Eight keypad interrupt inputs, plus two additional external interrupt inputs.
I
Second data pointer.
I
Schmitt trigger port inputs.
I
Emulation support.
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| P89LPC930 | 8-bit microcontrollers with two-clock 80C51 core 4 kB/8 kB 3 V Flash with 256-byte data RAM |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89LPC9251 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC |
| P89LPC9251FDH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC |
| P89LPC9251FDH,112 | 功能描述:8位微控制器 -MCU MCU 8-Bit CISC 8KB Flash2.5V/3.3V 20Pin RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC925FDH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter |
| P89LPC925FDH,529 | 功能描述:8位微控制器 -MCU 80C51 8K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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