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PDF P89LPC924 Data sheet ( Hoja de datos )

Número de pieza P89LPC924
Descripción (P89LPC924 / P89LPC925) 8-bit microcontrollers
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! P89LPC924 Hoja de datos, Descripción, Manual

P89LPC924/925
8-bit microcontrollers with accelerated two-clock 80C51 core
4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter
Rev. 03 — 15 December 2004
Product data
1. General description
The P89LPC924/925 are single-chip microcontrollers designed for applications
demanding high-integration, low cost solutions over a wide range of performance
requirements. The P89LPC924/925 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
the P89LPC924/925 in order to reduce component count, board space, and system
cost.
2. Features
2.1 Principal features
s 4 kB/8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable page
size, and single byte erase.
s 256-byte RAM data memory.
s Two 16-bit counter/timers. Each timer may be configured to toggle a port output
upon timer overflow or to become a PWM output.
s Real-Time clock that can also be used as a system timer.
s 4-input 8-bit multiplexed A/D converter/single DAC output. Two analog
comparators with selectable inputs and reference source.
s Enhanced UART with fractional baud rate generator, break detect, framing error
detection, automatic address detection and versatile interrupt capabilities.
s 400 kHz byte-wide I2C-bus communication port.
s Configurable on-chip oscillator with frequency range and RC oscillator options
(selected by user programmed Flash configuration bits). The RC oscillator (factory
calibrated to ±1 %) option allows operation without external oscillator
components. Oscillator options support frequencies from 20 kHz to the maximum
operating frequency of 18 MHz. The RC oscillator option is selectable and fine
tunable.
s 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).
s 15 I/O pins minimum. Up to 18 I/O pins while using on-chip oscillator and reset
options.

1 page




P89LPC924 pdf
Philips Semiconductors
5. Pinning information
5.1 Pinning
P89LPC924/925
8-bit microcontrollers with accelerated two-clock 80C51 core
handbook, halfpage
KBI0/CMP2/P0.0 1
P1.7 2
P1.6 3
RST/P1.5 4
VSS 5
XTAL1/P3.1 6
CLKOUT/XTAL2/P3.0 7
INT1/P1.4 8
SDA/INT0/P1.3 9
SCL/T0/P1.2 10
Fig 2. TSSOP20 pin configuration.
20 P0.1/CIN2B/KBI1/AD10
19 P0.2/CIN2A/KBI2/AD11
18 P0.3/CIN1B/KBI3/AD12
17 P0.4/CIN1A/KBI4/AD13/DAC1
16 P0.5/CMPREF/KBI5
15 VDD
14 P0.6/CMP1/KBI6
13 P0.7/T1/KBI7
12 P1.0/TXD
11 P1.1/RXD
002aaa787
9397 750 14471
Product data
Rev. 03 — 15 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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P89LPC924 arduino
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Table 4: Special function registers…continued
* indicates SFRs that are bit addressable.
Name
Description
SFR Bit functions and addresses
addr. MSB
LSB
Reset value
Hex Binary
FMCON Program Flash control (Read) E4H BUSY
-
-
-
HVA HVE
SV
OI 70
01110000
Program Flash control (Write) E4H FMCMD. FMCMD. FMCMD. FMCMD. FMCMD. FMCMD. FMCMD. FMCMD.
76543210
FMDATA Program Flash data
E5H
00 00000000
I2ADR
I2C slave address register
DBH I2ADR.6 I2ADR.5 I2ADR.4 I2ADR.3 I2ADR.2 I2ADR.1 I2ADR.0 GC 00
00000000
Bit address DF DE DD DC DB DA D9 D8
I2CON* I2C control register
D8H
-
I2EN STA STO
SI
AA
-
CRSEL 00
x00000x0
I2DAT
I2C data register
DAH
I2SCLH
Serial clock generator/SCL
duty cycle register HIGH
DDH
00 00000000
I2SCLL
Serial clock generator/SCL
duty cycle register LOW
DCH
00 00000000
I2STAT I2C status register
D9H STA.4 STA.3 STA.2 STA.1 STA.0
0
0
0 F8
11111000
Bit address AF AE AD AC AB AA A9 A8
IEN0*
Interrupt enable 0
A8H EA EWDRT EBO ES/ESR ET1 EX1 ET0 EX0 00[1] 00000000
Bit address EF EE ED EC EB EA E9 E8
IEN1*
Interrupt enable 1
E8H EAD
EST
-
-
-
EC
EKBI
EI2C 00[1] 00x00000
Bit address BF BE BD BC BB BA B9 B8
IP0* Interrupt priority 0
B8H - PWDRT PBO PS/PSR PT1 PX1 PT0 PX0 00[1] x0000000
IP0H
Interrupt priority 0 HIGH
B7H
-
PWDRT PBOH
PSH/
PT1H
PX1H
PT0H
PX0H 00[1] x0000000
H PSRH
Bit address FF FE FD FC FB FA F9 F8
IP1* Interrupt priority 1
F8H PAD
PST
-
-
-
PC
PKBI
PI2C 00[1] 00x00000
IP1H
Interrupt priority 1 HIGH
F7H PADH PSTH
-
-
- PCH PKBIH PI2CH 00[1] 00x00000
KBCON Keypad control register
94H -
-
-
-
-
-
PATN
KBIF 00[1] xxxxxx00
_SEL
KBMASK Keypad interrupt mask
register
86H
00 00000000
KBPATN Keypad pattern register
93H
FF 11111111
Bit address 87 86 85 84 83 82 81 80

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