NXP Semiconductors
LPC2212/2214
16/32-bit ARM microcontrollers
4. Block diagram
TMS
(2)
TDI
(2)
RTCK
TRST
(2)
TCK
(2)
TDO
(2)
XTAL2
XTAL1
RESET
EMULATION
TRACE MODULE
LPC2212
LPC2214
HIGH-SPEED
GPI/O
(3)
48 PINS TOTAL
TEST/DEBUG
INTERFACE
PLL
system
clock
SYSTEM
FUNCTIONS
VECTORED
INTERRUPT
CONTROLLER
ARM7TDMI-S
P0, P1
AHB BRIDGE
V
DD(3V3)
V
DD(1V8)
V
SS
ARM7 LOCAL BUS
AMBA Advanced High-performance
Bus (AHB)
INTERNAL
SRAM
CONTROLLER
INTERNAL
FLASH
CONTROLLER
AHB
DECODER
AHB TO APB
BRIDGE
APB
DIVIDER
CS[3:0]
(1)
A[23:0]
(1)
BLS[3:0]
(1)
OE, WE
(1)
D[31:0]
(1)
SCL
(1)
SDA
(1)
SCK1
(1)
SPI1/SSP
(3)
SERIAL
INTERFACE
MOSI1
(1)
MISO1
(1)
SSEL1
(1)
SCK0
(1)
16 kB
SRAM
128/256 kB
FLASH
EXTERNAL MEMORY
CONTROLLER
EINT[3:0]
(1)
EXTERNAL
INTERRUPTS
I
2
C-BUS SERIAL
INTERFACE
4
×
CAP0
(1)
4
×
CAP1
(1)
4
×
MAT0
(1)
4
×
MAT1
(1)
AIN[3:0]
(1)
AIN[7:4]
(1)
P0[30:27],
P0[25:0]
P1[31:16],
P1[1:0]
P2[31:0]
P3[31:0]
CAPTURE/
COMPARE
TIMER 0/TIMER 1
A/D CONVERTER
SPI0 SERIAL
INTERFACE
GENERAL
PURPOSE I/O
UART0/UART1
MOSI0
(1)
MISO0
(1)
SSEL0
(1)
TXD[1:0]
(1)
RXD[1:0]
(1)
PWM[6:1]
(1)
PWM0
WATCHDOG
TIMER
DSR1
(1)
, CTS1
(1)
,
RTS1
(1)
, DTR1
(1)
,
DCD1
(1)
, RI1
(1)
SYSTEM CONTROL
REAL-TIME CLOCK
002aad181
(1) Shared with GPIO.
(2) When test/debug interface is used, GPIO/other functions sharing these pins are not available.
(3) SSP interface and high-speed GPIO are available on LPC2212/01 and LPC2214/01 only.
Fig 1. Block diagram
LPC2212_2214_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 3 January 2008
4 of 45
PHILIPS [ NXP SEMICONDUCTORS ]
