LPC2194 NXP Semiconductors, LPC2194 Datasheet - Page 3

• Manufacturer Part Number: LPC2194
• Description: The LPC2194 is based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation andembedded trace support, together with 256 kB of embedded high-speed flash memory
• Manufacturer: NXP Semiconductors

NXP Semiconductors
4. Block diagram
LPC2194
Product data sheet
Fig 1.
PWM[6:1]
4 × CAP0
4 × CAP1
EINT[3:0]
4 × MAT0
4 × MAT1
P0[30:27],
P1[31:16]
AIN[3:0]
P0[30:27],
RD[4:1]
TD[4:1]
P1[31:16]
P0[25:0]
P0[25:0]
(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 LPC2194/01 only.
Block diagram
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
CONTROLLER
INTERNAL
SRAM
SRAM
16 kB
CAN INTERFACE 1, 2, 3 AND 4
46 PINS TOTAL
HIGH-SPEED
ARM7 LOCAL BUS
LPC2194
ACCEPTANCE FILTERS
GPI/O
TIMER 0/TIMER 1
A/D CONVERTER
PURPOSE I/O
INTERRUPTS
EXTERNAL
CAPTURE/
(3)
COMPARE
GENERAL
PWM0
CONTROLLER
INTERNAL
FLASH
FLASH
256 kB
All information provided in this document is subject to legal disclaimers.
TRST
(2)
TMS
ARM7TDMI-S
TEST/DEBUG
AHB BRIDGE
INTERFACE
Rev. 6 — 14 June 2011
(2)
TCK
AHB TO APB
BRIDGE
TDI
(2)
TDO
(2)
(2)
RTCK
AMBA Advanced High-performance
DIVIDER
APB
Bus (AHB)
system
clock
SPI1/SSP
REAL-TIME CLOCK
I
2
UART0/UART1
C-BUS SERIAL
PLL
SPI0 SERIAL
WATCHDOG
INTERFACE
INTERFACE
INTERFACE
CONTROL
SYSTEM
Single-chip 16/32-bit microcontroller
TIMER
(3)
SERIAL
XTAL1
CONTROLLER
INTERRUPT
VECTORED
FUNCTIONS
DECODER
SYSTEM
XTAL2
AHB
002aad178
RESET
LPC2194
© NXP B.V. 2011. All rights reserved.
V
V
V
DD(3V3)
DD(1V8)
SS
SCL
SDA
SCK1
MOSI1
MISO1
SSEL1
SCK0
MOSI0
MISO0
SSEL0
TXD[1:0]
RXD[1:0]
DSR1
RTS1
DCD1
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
, DTR1
, CTS1
, RI1
(1)
(1)
(1)
3 of 41
(1)
(1)
,
,