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P89LPC9211 Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer P89LPC9211
Beschreibung (P89LPC92xx) 8-bit Microcontroller
Hersteller NXP Semiconductors
Logo NXP Semiconductors Logo 




Gesamt 30 Seiten
P89LPC9211 Datasheet, Funktion
P89LPC9201/9211/922A1/9241/
9251
8-bit microcontroller with accelerated two-clock 80C51 core
2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC
Rev. 2.1 — 27 August 2012
Product data sheet
1. General description
The P89LPC9201/9211/922A1/9241/9251 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 device in order to reduce
component count, board space, and system cost.
2. Features and benefits
2.1 Principal features
2 kB/4 kB/8 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.
256-byte RAM data memory.
4-input multiplexed 8-bit ADC/single DAC output (P89LPC9241/9251). Two analog
comparators with selectable inputs and reference source.
On-chip temperature sensor integrated with ADC module (P89LPC9241/9251).
Two 16-bit counter/timers (each may be configured to toggle a port output upon timer
overflow or to become a PWM output).
A 23-bit system timer that can also be used as real-time clock consisting of a 7-bit
prescaler and a programmable and readable 16-bit timer.
Enhanced UART with a fractional baud rate generator, break detect, framing error
detection, and automatic address detection; 400 kHz byte-wide I2C-bus
communication port.
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).
Enhanced low voltage (brownout) detect allows a graceful system shutdown when
power fails.
20-pin TSSOP and DIP packages with 15 I/O pins minimum and up to 18 I/O pins
while using on-chip oscillator and reset options.






P89LPC9211 Datasheet, Funktion
NXP Semiconductors
P89LPC9201/9211/922A1/9241/9251
8-bit microcontroller with 8-bit ADC
5. Functional diagram
VDD VSS
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
CLKOUT
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
PORT 0
PORT 3
P89LPC9201/
9211/922A1
002aae423
Fig 3. Functional diagram (P89LPC9201/9211/922A1)
PORT 1
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
VDD VSS
DAC1
AD10
AD11
AD12
AD13
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
CLKOUT
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
PORT 0
PORT 3
Fig 4. Functional diagram (P89LPC9241/9251)
P89LPC9241/
9251
PORT 1
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
002aae424
P89LPC92X1
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.1 — 27 August 2012
© NXP B.V. 2012. All rights reserved.
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P89LPC9211 pdf, datenblatt
NXP Semiconductors
P89LPC9201/9211/922A1/9241/9251
8-bit microcontroller with 8-bit ADC
7. Functional description
Remark: Please refer to the P89LPC9201/9211/922A1/9241/9251 User manual for a
more detailed functional description.
7.1 Special function registers
Remark: SFR accesses are restricted in the following ways:
User must not attempt to access any SFR locations not defined.
Accesses to any defined SFR locations must be strictly for the functions for the SFRs.
SFR bits labeled ‘-’, ‘0’ or ‘1’ can only be written and read as follows:
‘-’ Unless otherwise specified, must be written with ‘0’, but can return any value
when read (even if it was written with ‘0’). It is a reserved bit and may be used in
future derivatives.
‘0’ must be written with ‘0’, and will return a ‘0’ when read.
‘1’ must be written with ‘1’, and will return a ‘1’ when read.
P89LPC92X1
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.1 — 27 August 2012
© NXP B.V. 2012. All rights reserved.
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