Nxp Semiconductors LPC2194HBD64,151 ARM7 Microcontroller 16kB LQFP 64 LPC2194HBD64,151 Data Sheet
Product codes
LPC2194HBD64,151
LPC2194_4
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 04 — 11 September 2006
3 of 36
Philips Semiconductors
LPC2194
Single-chip 16/32-bit microcontroller
4.
Block diagram
(1) Shared with GPIO.
(2) When test/debug interface is used, GPIO/other functions sharing these pins are not available.
Fig 1.
Block diagram
SCL
(1)
P0[30:27],
P0[25:0]
TRST
(2)
TMS
(2)
TCK
(2)
TDI
(2)
TDO
(2)
XTAL2
XTAL1
EINT[3:0]
(1)
AIN[3:0]
(1)
AHB BRIDGE
PLL
PWM0
ARM7TDMI-S
LPC2194
RESET
4
× CAP0
(1)
4
× CAP1
(1)
4
× MAT0
(1)
TD[4:1]
(1)
RD[4:1]
(1)
4
× MAT1
(1)
P1[31:16]
SDA
(1)
DSR1
(1)
, CTS1
(1)
,
RTS1
(1)
, DTR1
(1)
,
DCD1
(1)
, RI1
(1)
RTCK
ARM7 LOCAL BUS
INTERNAL
SRAM
CONTROLLER
INTERNAL
FLASH
CONTROLLER
16 kB
SRAM
256 kB
FLASH
EXTERNAL
INTERRUPTS
CAPTURE/
COMPARE
TIMER 0/TIMER 1
A/D CONVERTER
GENERAL
PURPOSE I/O
CAN INTERFACE 1, 2, 3 AND 4
ACCEPTANCE FILTERS
TEST/DEBUG
INTERFACE
EMULA
TION TRA
CE
MODULE
AMBA Advanced High-performance
Bus (AHB)
system
clock
SYSTEM
FUNCTIONS
VECTORED
INTERRUPT
CONTROLLER
AHB
DECODER
I
2
C-BUS SERIAL
INTERFACE
AHB TO VPB
BRIDGE
VPB
DIVIDER
VLSI Peripheral
Bus (VPB)
SPI SERIAL INTERFACE
0 AND 1
UART0/UART1
WATCHDOG
TIMER
SYSTEM
CONTROL
REAL TIME CLOCK
002aaa756
V
DD(3V3)
V
SS
V
DD(1V8)
PWM[6:1]
(1)
SCK[1:0]
(1)
MOSI[1:0]
(1)
MISO[1:0]
(1)
SSEL[1:0]
(1)
RXD[1:0]
(1)
TXD[1:0]
(1)