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PDF LPC2157 Data sheet ( Hoja de datos )
| Número de pieza | LPC2157 | |
| Descripción | Single-chip 16-bit/32-bit microcontrollers; 512 kB fash | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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LPC2157/2158
Single-chip 16-bit/32-bit microcontrollers; 512 kB flash, with
32 segment x 4 LCD driver
Rev. 02 — 9 February 2009
Product data sheet
1. General description
The LPC2157/2158 is a multi-chip module consisting of a LPC2138/2148 single-chip
microcontroller combined with a PCF8576D Universal LCD driver in a low-cost 100-pin
package. The LCD driver provides 32 segments and supports from 1 to 4 backplanes.
Display overhead is minimized by an on-chip display RAM with auto-increment
addressing. Refer to the respective LPC2148 and LPC2138 user manual for details.
2. Features
I 128-bit wide interface/accelerator enables high-speed 60 MHz operation.
N 32 kB to 40 kB of on-chip static RAM and 512 kB of on-chip flash memory.
I USB 2.0 Full-speed compliant device controller with 2 kB of endpoint RAM.
N An additional 8 kB of on-chip RAM accessible to USB by DMA (LPC2158 only).
I 32 segment × 4 backplane LCD controller supports from 1 to 4 backplanes.
I Single 10-bit DAC provides variable analog output.
I Low power Real-Time Clock (RTC) with independent power and 32 kHz clock input.
I Multiple serial interfaces including two UARTs (16C550), two Fast I2C-bus (400 kbit/s),
SPI and SSP with buffering and variable data length capabilities.
I Single power supply chip with POR and BOD circuits:
N CPU operating voltage range of 3.0 V to 3.6 V (3.3 V ± 10 %) with 5 V tolerant
I/O pads.
I 100-pin LQFP package with 38 microcontroller I/O pins minimum.
I Individual enable/disable of peripheral functions as well as peripheral clock scaling for
additional power optimization.
3. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
LPC2157FBD100 LQFP100 plastic low profile quad flat package; 100 leads; body 14 × 14 × 1.4 mm
LPC2158FBD100 LQFP100 plastic low profile quad flat package; 100 leads; body 14 × 14 × 1.4 mm
Version
SOT407-1
SOT407-1
1 page  
NXP Semiconductors
www.DataSheet4U.com
LPC2157/2158
Single-chip 16-bit/32-bit microcontrollers
1 75
LPC2158FBD
25 51
Fig 5. Pin configuration for LPC2158
002aad444
5.2 Pin description
Table 2. Pin description LPC2157
Symbol
Pin Type
P0[0] to P0[31]
I/O
P0[0]/TXD0/
PWM1
P0[1]/RXD0/
PWM3/EINT0
7[1]
9[2]
P0[2]/SCL0/
CAP0[0]
P0[3]/SDA0/
MAT0[0]/EINT1
10[3]
14[3]
P0[4]/SCK0/
CAP0[1]/AD0[6]
15[4]
P0[5]/MISO0/
MAT0[1]/AD0[7]
17[4]
I/O
O
O
I/O
I
O
I
I/O
I/O
I
I/O
I/O
O
I
I/O
I/O
I
I
I/O
I/O
O
I
Description
Port 0: Port 0 is a 32-bit I/O port with individual direction controls for each bit.
Total of 31 pins of the Port 0 can be used as a general purpose bidirectional
digital I/Os while P0[31] is output only pin. The operation of port 0 pins
depends upon the pin function selected via the pin connect block.
Pin P0[24] is not available.
P0[0] — General purpose input/output digital pin (GPIO).
TXD0 — Transmitter output for UART0.
PWM1 — Pulse Width Modulator output 1.
P0[1] — General purpose input/output digital pin (GPIO).
RXD0 — Receiver input for UART0.
PWM3 — Pulse Width Modulator output 3.
EINT0 — External interrupt 0 input.
P0[2] — General purpose input/output digital pin (GPIO).
SCL0 — I2C0 clock input/output. Open-drain output (for I2C-bus compliance).
CAP0[0] — Capture input for Timer 0, channel 0.
P0[3] — General purpose input/output digital pin (GPIO).
SDA0 — I2C0 data input/output. Open-drain output (for I2C-bus compliance).
MAT0[0] — Match output for Timer 0, channel 0.
EINT1 — External interrupt 1 input.
P0[4] — General purpose input/output digital pin (GPIO).
SCK0 — Serial clock for SPI0. SPI clock output from master or input to slave.
CAP0[1] — Capture input for Timer 0, channel 1.
AD0[6] — ADC 0, input 6.
P0[5] — General purpose input/output digital pin (GPIO).
MISO0 — Master In Slave Out for SPI0. Data input to SPI master or data
output from SPI slave.
MAT0[1] — Match output for Timer 0, channel 1.
AD0[7] — ADC 0, input 7.
LPC2157_2158_2
Product data sheet
Rev. 02 — 9 February 2009
© NXP B.V. 2009. All rights reserved.
5 of 45
5 Page 
NXP Semiconductors
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LPC2157/2158
Single-chip 16-bit/32-bit microcontrollers
Table 3. Pin description LPC2158 …continued
Symbol
Pin Type Description
P0[9]/RXD1/
PWM6/EINT3
21[2]
I/O P0[9] — General purpose input/output digital pin (GPIO).
I RXD1 — Receiver input for UART1.
O PWM6 — Pulse Width Modulator output 6.
I EINT3 — External interrupt 3 input.
P0[10]/RTS1/
CAP1[0]/AD1[2]
22[4]
I/O P0[10] — General purpose input/output digital pin (GPIO).
O RTS1 — Request to Send output for UART1.
I CAP1[0] — Capture input for Timer 1, channel 0.
I AD1[2] — ADC 1, input 2.
P0[11]/CTS1/
CAP1[1]/SCL1
23[3]
I/O P0[11] — General purpose input/output digital pin (GPIO).
I CTS1 — Clear to Send input for UART1.
I CAP1[1] — Capture input for Timer 1, channel 1.
I/O SCL1 — I2C1 clock input/output. Open-drain output (for I2C-bus compliance)
P0[12]/DSR1/
MAT1[0]/AD1[3]
24[4]
I/O P0[12] — General purpose input/output digital pin (GPIO).
I DSR1 — Data Set Ready input for UART1.
O MAT1[0] — Match output for Timer 1, channel 0.
I AD1[3] — ADC 1 input 3.
P0[13]/DTR1/
MAT1[1]/AD1[4]
25[4]
I/O P0[13] — General purpose input/output digital pin (GPIO).
O DTR1 — Data Terminal Ready output for UART1.
O MAT1[1] — Match output for Timer 1, channel 1.
I AD1[4] — ADC 1 input 4.
P0[14]/DCD1/
EINT1/SDA1
26[3]
I/O P0[14] — General purpose input/output digital pin (GPIO).
I DCD1 — Data Carrier Detect input for UART1.
I EINT1 — External interrupt 1 input.
I/O SDA1 — I2C1 data input/output. Open-drain output (for I2C-bus compliance).
Note: LOW on this pin while RESET is LOW forces on-chip bootloader to take
over control of the part after reset.
P0[15]/RI1/
EINT2/AD1[5]
28[4]
I/O P0[15] — General purpose input/output digital pin (GPIO).
I RI1 — Ring Indicator input for UART1.
I EINT2 — External interrupt 2 input.
I AD1[5] — ADC 1, input 5.
P0[16]/EINT0/
MAT0[2]/CAP0[2]
29[2]
I/O P0[16] — General purpose input/output digital pin (GPIO).
I EINT0 — External interrupt 0 input.
O MAT0[2] — Match output for Timer 0, channel 2.
I CAP0[2] — Capture input for Timer 0, channel 2.
P0[17]/CAP1[2]/
SCK1/MAT1[2]
30[1]
I/O P0[17] — General purpose input/output digital pin (GPIO).
I CAP1[2] — Capture input for Timer 1, channel 2.
I/O SCK1 — Serial Clock for SSP. Clock output from master or input to slave.
O MAT1[2] — Match output for Timer 1, channel 2.
LPC2157_2158_2
Product data sheet
Rev. 02 — 9 February 2009
© NXP B.V. 2009. All rights reserved.
11 of 45
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LPC2157.PDF ] | |
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