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LPC1225FBD48321 Datasheet(PDF) 13 Page - NXP Semiconductors

Part No. LPC1225FBD48321
Description  32-bit ARM Cortex-M0 microcontroller; up to 128 kB flash and 8 kB SRAM
Download  60 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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LPC1225FBD48321 Datasheet(HTML) 13 Page - NXP Semiconductors

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LPC122X
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 1.1 — 21 February 2011
13 of 60
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
PIO2_6/
CT32B0_CAP2/
CT32B0_MAT2/DCD0
-35
[2]
no
I/O
I; PU
PIO2_6 — General purpose digital input/output pin.
I-
CT32B0_CAP2 — Capture input, channel 2 for 32-bit timer 0.
O-
CT32B0_MAT2 — Match output, channel 2 for 32-bit timer 0.
I-
DCD0 — Data Carrier Detect input for UART0.
PIO2_7/
CT32B0_CAP3/
CT32B0_MAT3/DSR0
-36
[2]
no
I/O
I; PU
PIO2_7 — General purpose digital input/output pin.
I-
CT32B0_CAP3 — Capture input, channel 3 for 32-bit timer 0.
O-
CT32B0_MAT3 — Match output, channel 3 for 32-bit timer 0.
I-
DSR0 — Data Set Ready input for UART0.
PIO2_8/
CT32B1_CAP0/
CT32B1_MAT0
-59
[2]
no
I/O
I; PU
PIO2_8 — General purpose digital input/output pin.
I-
CT32B1_CAP0 — Capture input, channel 0 for 32-bit timer 1.
O-
CT32B1_MAT0 — Match output, channel 0 for 32-bit timer 1.
PIO2_9/
CT32B1_CAP1/
CT32B1_MAT1
-60
[2]
no
I/O
I; PU
PIO2_9 — General purpose digital input/output pin.
I-
CT32B1_CAP1 — Capture input, channel 1 for 32-bit timer 1.
O-
CT32B1_MAT1 — Match output, channel 1 for 32-bit timer 1.
PIO2_10/
CT32B1_CAP2/
CT32B1_MAT2/TXD1
-61
[2]
no
I/O
I; PU
PIO2_10 — General purpose digital input/output pin.
I-
CT32B1_CAP2 — Capture input, channel 2 for 32-bit timer 1.
O-
CT32B1_MAT2 — Match output, channel 2 for 32-bit timer 1.
O-
TXD1 — Transmitter output for UART1.
PIO2_11/
CT32B1_CAP3/
CT32B1_MAT3/RXD1
-62
[2]
no
I/O
I; PU
PIO2_11 — General purpose digital input/output pin.
I-
CT32B1_CAP3 — Capture input, channel 3 for 32-bit timer 1.
O-
CT32B1_MAT3 — Match output, channel 3 for 32-bit timer 1.
I-
RXD1 — Receiver input for UART1.
PIO2_12/RXD1
-
13
[2]
no
I/O
I; PU
PIO2_12 — General purpose digital input/output pin.
I-
RXD1 — Receiver input for UART1.
PIO2_13/TXD1
-
14
[2]
no
I/O
I; PU
PIO2_13 — General purpose digital input/output pin.
O-
TXD1 — Transmitter output for UART1.
PIO2_14
-
15
[2]
no
I/O
I; PU
PIO2_14 — General purpose digital input/output pin.
PIO2_15
-
16
[2]
no
I/O
I; PU
PIO2_15 — General purpose digital input/output pin.
RTCXIN
46 57
-
I
-
Input to the 32 kHz oscillator circuit.
RTCXOUT
45 58
-
O
-
Output from the 32 kHz oscillator amplifier.
XTALIN
1
1
-
I
-
Input to the system oscillator circuit and internal clock
generator circuits.
XTALOUT
2
2
-
O
-
Output from the system oscillator amplifier.
VREF_CMP
3
3
-
I
-
Reference voltage for comparator.
Table 3.
LPC122x pin description …continued
Symbol
Start
logic
input
Type Reset
state
[1]
Description


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