LPC2157_2158 NXP Semiconductors, LPC2157_2158 Datasheet - Page 3

• Manufacturer Part Number: LPC2157_2158
• Description: The LPC2157/2158 is a multi-chip module consisting of a LPC2138/2148 single-chipmicrocontroller combined with a PCF8576D Universal LCD driver in a low-cost 100-pinpackage
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC2157_2158_2
Product data sheet
Fig 2.
P0[31:28] and
P0[27:26]
P1[31:25],
P0[31:28],
(1) Pins shared with GPIO.
(2) USB DMA controller with 8 kB of RAM accessible as general purpose RAM and/or DMA is available in LPC2158 only.
(3) LPC2157 only.
AD0[7:6],
P1[17:16]
8
8
PWM[6:1]
4
4
P1[31:16]
AD0[5]
AD0[0]
EINT3 to
AD0[4:1]
AD1[7:0]
P0[23:0]
P0[25:0]
P0[25],
EINT0
AOUT
MAT0
MAT1
CAP0
CAP1
Microcontroller section block diagram
(3)
(3)
(3)
CONTROLLER
INTERNAL
LPC2157/2158
SRAM
32 kB
SRAM
FAST GENERAL
PURPOSE I/O
(W/EXTERNAL CLOCK)
ARM7 local bus
CAPTURE/COMPARE
A/D CONVERTERS
TIMER 0/TIMER 1
INTERRUPTS
PURPOSE I/O
EXTERNAL
GENERAL
0 AND 1
PWM0
CONTROLLER
INTERNAL
FLASH
FLASH
512 kB
TRST
(1)
Rev. 02 — 9 February 2009
TMS
ARM7TDMI-S
AHB BRIDGE
TEST/DEBUG
INTERFACE
(1)
TCK
AHB TO APB
(1)
BRIDGE
TDI
(1)
TDO
APB (advanced
peripheral bus)
(Advanced High-performance Bus)
(1)
DIVIDER
APB
system
clock
clock
USB
AMBA AHB
Single-chip 16-bit/32-bit microcontrollers
DEVICE CONTROLLER
INTERFACES 0 AND 1
USB 2.0 FULL-SPEED
SERIAL INTERFACES
SHARED WITH
REAL-TIME CLOCK
PLL0
PLL1
USB DMA
I
2
8 kB RAM
UART0/UART1
C-BUS SERIAL
SPI AND SSP
WATCHDOG
WITH DMA
CONTROL
SYSTEM
TIMER
(2)
XTAL1
CONTROLLER
LPC2157/2158
INTERRUPT
VECTORED
FUNCTIONS
(2)
SYSTEM
XTAL2
DECODER
AHB
RESET
002aad384
© NXP B.V. 2009. All rights reserved.
D+
D
UP_LED
CONNECT
VBUS
SCL0, SCL1
SDA0, SDA1
SCK0, SCK1
MOSI0, MOSI1
MISO0, MISO1
SSEL0, SSEL1
TXD0, TXD1
RXD0, RXD1
DSR1,CTS1,
RTS1, DTR1,
DCD1,RI1
RTCX1
RTCX2
V BAT
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