P89LPC921 Selling Leads, Price trend, P89LPC921 DataSheet download, circuit diagram from SeekIC.com

Features: · 2 kB/4 kB/8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable page size, and single byte erase.· 256-byte RAM data memory.· Two 16-bit counter/timers. Each timer may be configured to toggle a port output upon timer overflow or to become a PWM output.· Real-Time clock th...

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SeekIC No. : 004453760 Detail

P89LPC921: Features: · 2 kB/4 kB/8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable page size, and single byte erase.· 256-byte RAM data memory.· Two 16-bit counter/timers. Each timer may be c...

P89LPC921 Data Sheet

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Part Number:: P89LPC921
Supply Ability:: 5000

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1~5000

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Product Details

Description

Features:

· 2 kB/4 kB/8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable
   page size, and single byte erase.
· 256-byte RAM data memory.
· Two 16-bit counter/timers. Each timer may be configured to toggle a port output
   upon timer overflow or to become a PWM output.
· Real-Time clock that can also be used as a system timer.
· Two analog comparators with selectable inputs and reference source.
· Enhanced UART with fractional baud rate generator, break detect, framing error
   detection, automatic address detection and versatile interrupt capabilities.
· 400 kHz byte-wide I2C-bus communication port.
· Configurable on-chip oscillator with frequency range and RC oscillator options
   (selected by user programmed Flash configuration bits). The RC oscillator option
   allows operation without external oscillator components. Oscillator options
   support frequencies from 20 kHz to the maximum operating frequency of 12 MHz.
   The RC oscillator option is selectable and fine tunable.
· 2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or driven to 5.5 V).
· 15 I/O pins minimum. Up to 18 I/O pins while using on-chip oscillator and reset options.

Pinout

Connection Diagram

Specifications

Symbol	Parameter	Conditions	Min	Max	Unit
T_amb(bias)	operating bias ambient temperature		-55	+125	°C
T_stg	storage temperature range		-65	+150	°C
V_xtal	voltage on XTAL1, XTAL2 pin to VSS			VDD + 0.5	v
V_n	voltage on any other pin to VSS		-0.5	+5.5	v
I_OH(I/O)	HIGH-level output current per I/O pin			8	mA
I_OL(I/O)	LOW-level output current per I/O pin			20	mA
I_{I/O(tot)(max)}	maximum total I/O current			80	mA
P_tot(pack)	total power dissipation per package	based on package heat transfer, not device power consumption		1.5	w

[1] Stresses above those listed under Table 7 "Limiting values" may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any conditions other than those described in Table 8 "DC electrical characteristics" and
Table 9 "AC characteristics" of this specification are not implied.
[2] This product includes circuitry specifically designed for the protection of its internal devices from the damaging effects of excessive
static charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maximum.
[3] Parameters are valid over operating temperature range unless otherwise specified. All voltages are with respect to VSS unless otherwise noted.

Description

TheP89LPC920/921/922 are single-chip microcontrollers designed for applications demanding high-integration, low cost solutions over a wide range of performance requirements. TheP89LPC920/921/922 is 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 theP89LPC920/921/922 in order to reduce component count, board space, and system cost.

P89LPC921

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