P89LPC954

更新时间： 2024-02-12 00:49:38

品牌	Logo	应用领域
恩智浦 - NXP		闪存微控制器时钟
页数	文件大小	规格书
69页	340K
描述
8-bit microcontroller with accelerated two-clock 80C51 core 8 kB/16 kB 3 V byte-erasable flash with 10-bit ADC

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P89LPC954 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	QCCJ, LDCC44,.7SQ	Reach Compliance Code：	unknown
风险等级：	5.84	位大小：	8
CPU系列：	8051	JESD-30 代码：	S-PQCC-J44
端子数量：	44	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCJ	封装等效代码：	LDCC44,.7SQ
封装形状：	SQUARE	封装形式：	CHIP CARRIER
电源：	2.5/3.3 V	认证状态：	Not Qualified
RAM（字节）：	512	ROM（单词）：	16384
ROM可编程性：	FLASH	速度：	18 MHz
子类别：	Microcontrollers	最大压摆率：	23 mA
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	J BEND	端子节距：	1.27 mm
端子位置：	QUAD	Base Number Matches：	1

P89LPC954 数据手册

P89LPC952/954

8-bit microcontroller with accelerated two-clock 80C51 core

8 kB/16 kB 3 V byte-erasable ﬂash with 10-bit ADC

Rev. 04 — 24 July 2008

Product data sheet

1. General description

The P89LPC952/954 is a single-chip microcontroller, available in low cost packages,

based on a high performance processor architecture that executes instructions in two to

four clocks, six times the rate of standard 80C51 devices. Many system-level functions

have been incorporated into the P89LPC952/954 in order to reduce component count,

board space, and system cost.

2. Features

2.1 Principal features

I 8 kB/16 kB byte-erasable ﬂash code memory organized into 1 kB sectors and 64-byte

pages. Single-byte erasing allows any byte(s) to be used as non-volatile data storage.

I 256-byte RAM data memory and a 256-byte auxiliary on-chip RAM.

I 8-input multiplexed 10-bit ADC with window comparator that can generate an interrupt

for in or out of range results. Two analog comparators with selectable inputs and

reference source.

I Two 16-bit counter/timers (each may be conﬁgured to toggle a port output upon timer

overﬂow or to become a PWM output) and a 23-bit system timer that can also be used

as a RTC.

I Two enhanced UARTs with a fractional baud rate generator, break detect, framing

error detection, and automatic address detection; 400 kHz byte-wide I²C-bus

communication port and SPI communication port.

I High-accuracy internal RC oscillator option, with clock doubler option, allows operation

without external oscillator components. The RC oscillator option is selectable and ﬁne

tunable. Fast switching between the internal RC oscillator and any oscillator source

provides optimal support of minimal power active mode with fast switching to

maximum performance.

I 2.4 V to 3.6 V V_DDoperating range. I/O pins are 5 V tolerant (may be pulled up or

driven to 5.5 V).

I 44-pin and 48-pin packages with 40 and 42 I/O pins minimum while using on-chip

oscillator and reset options.

I Port 5 has high current sourcing/sinking (20 mA) for all Port 5 pins. All other port pins

have high sinking capability (20 mA). A maximum limit is speciﬁed for the entire chip.

I Watchdog timer with separate on-chip oscillator, requiring no external components.

The watchdog prescaler is selectable from eight values.

12 3 4 5 6 7...69

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