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LPC2148FBD64,151

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45
LPC2141_42_44_46_48 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 12 August 2011 7 of 45
NXP Semiconductors
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers
5.2 Pin description
Table 3. Pin description
Symbol Pin Type Description
P0.0 to P0.31 I/O Port 0: Port 0 is a 32-bit I/O port with individual direction controls for
each bit. Total of 31 pins of the Port 0 can be used as a general
purpose bidirectional digital I/Os while P0.31 is output only pin. The
operation of port 0 pins depends upon the pin function selected via the
pin connect block.
Pins P0.24, P0.26 and P0.27 are not available.
P0.0/TXD0/
PWM1
19
[1]
I/O P0.0 — General purpose input/output digital pin (GPIO).
O TXD0 — Transmitter output for UART0.
O PWM1 — Pulse Width Modulator output 1.
P0.1/RXD0/
PWM3/EINT0
21
[2]
I/O P0.1 — General purpose input/output digital pin (GPIO).
I RXD0 — Receiver input for UART0.
O PWM3 — Pulse Width Modulator output 3.
I EINT0 — External interrupt 0 input.
P0.2/SCL0/
CAP0.0
22
[3]
I/O P0.2 — General purpose input/output digital pin (GPIO).
I/O SCL0 — I
2
C0 clock input/output. Open-drain output (for I
2
C-bus
compliance).
I CAP0.0 — Capture input for Timer 0, channel 0.
P0.3/SDA0/
MAT0.0/EINT1
26
[3]
I/O P0.3 — General purpose input/output digital pin (GPIO).
I/O SDA0 — I
2
C0 data input/output. Open-drain output (for I
2
C-bus
compliance).
O MAT0.0 — Match output for Timer 0, channel 0.
I EINT1 — External interrupt 1 input.
P0.4/SCK0/
CAP0.1/AD0.6
27
[4]
I/O P0.4 — General purpose input/output digital pin (GPIO).
I/O SCK0 — Serial clock for SPI0. SPI clock output from master or input
to slave.
I CAP0.1 — Capture input for Timer 0, channel 1.
I AD0.6 — ADC 0, input 6.
P0.5/MISO0/
MAT0.1/AD0.7
29
[4]
I/O P0.5 — General purpose input/output digital pin (GPIO).
I/O MISO0 — Master In Slave Out for SPI0. Data input to SPI master or
data output from SPI slave.
O MAT0.1 — Match output for Timer 0, channel 1.
I AD0.7 — ADC 0, input 7.
P0.6/MOSI0/
CAP0.2/AD1.0
30
[4]
I/O P0.6 — General purpose input/output digital pin (GPIO).
I/O MOSI0 — Master Out Slave In for SPI0. Data output from SPI master
or data input to SPI slave.
I CAP0.2 — Capture input for Timer 0, channel 2.
I AD1.0 — ADC 1, input 0. Available in LPC2144/46/48 only.
P0.7/SSEL0/
PWM2/EINT2
31
[2]
I/O P0.7 — General purpose input/output digital pin (GPIO).
I SSEL0 — Slave Select for SPI0. Selects the SPI interface as a slave.
O PWM2 — Pulse Width Modulator output 2.
I EINT2 — External interrupt 2 input.
LPC2141_42_44_46_48 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 12 August 2011 8 of 45
NXP Semiconductors
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers
P0.8/TXD1/
PWM4/AD1.1
33
[4]
I/O P0.8 — General purpose input/output digital pin (GPIO).
O TXD1 — Transmitter output for UART1.
O PWM4 — Pulse Width Modulator output 4.
I AD1.1 — ADC 1, input 1. Available in LPC2144/46/48 only.
P0.9/RXD1/
PWM6/EINT3
34
[2]
I/O P0.9 — General purpose input/output digital pin (GPIO).
I RXD1 — Receiver input for UART1.
O PWM6 — Pulse Width Modulator output 6.
I EINT3 — External interrupt 3 input.
P0.10/RTS1/
CAP1.0/AD1.2
35
[4]
I/O P0.10 — General purpose input/output digital pin (GPIO).
O RTS1 — Request to Send output for UART1. LPC2144/46/48 only.
I CAP1.0 — Capture input for Timer 1, channel 0.
I AD1.2 — ADC 1, input 2. Available in LPC2144/46/48 only.
P0.11/CTS1/
CAP1.1/SCL1
37
[3]
I/O P0.11 — General purpose input/output digital pin (GPIO).
I CTS1 — Clear to Send input for UART1. Available in LPC2144/46/48
only.
I CAP1.1 — Capture input for Timer 1, channel 1.
I/O SCL1 — I
2
C1 clock input/output. Open-drain output (for I
2
C-bus
compliance)
P0.12/DSR1/
MAT1.0/AD1.3
38
[4]
I/O P0.12 — General purpose input/output digital pin (GPIO).
I DSR1 — Data Set Ready input for UART1. Available in
LPC2144/46/48 only.
O MAT1.0 — Match output for Timer 1, channel 0.
I AD1.3 — ADC 1 input 3. Available in LPC2144/46/48 only.
P0.13/DTR1/
MAT1.1/AD1.4
39
[4]
I/O P0.13 — General purpose input/output digital pin (GPIO).
O DTR1 — Data Terminal Ready output for UART1. LPC2144/46/48
only.
O MAT1.1 — Match output for Timer 1, channel 1.
I AD1.4 — ADC 1 input 4. Available in LPC2144/46/48 only.
P0.14/DCD1/
EINT1/SDA1
41
[3]
I/O P0.14 — General purpose input/output digital pin (GPIO).
I DCD1 — Data Carrier Detect input for UART1. LPC2144/46/48 only.
I EINT1 — External interrupt 1 input.
I/O SDA1 — I
2
C1 data input/output. Open-drain output (for I
2
C-bus
compliance).
Note: LOW on this pin while RESET
is LOW forces on-chip boot
loader to take over control of the part after reset.
P0.15/RI1/
EINT2/AD1.5
45
[4]
I/O P0.15 — General purpose input/output digital pin (GPIO).
I RI1 — Ring Indicator input for UART1. Available in LPC2144/46/48
only.
I EINT2 — External interrupt 2 input.
I AD1.5 — ADC 1, input 5. Available in LPC2144/46/48 only.
Table 3. Pin description
…continued
Symbol Pin Type Description
LPC2141_42_44_46_48 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 12 August 2011 9 of 45
NXP Semiconductors
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers
P0.16/EINT0/
MAT0.2/CAP0.2
46
[2]
I/O P0.16 — General purpose input/output digital pin (GPIO).
I EINT0 — External interrupt 0 input.
O MAT0.2 — Match output for Timer 0, channel 2.
I CAP0.2 — Capture input for Timer 0, channel 2.
P0.17/CAP1.2/
SCK1/MAT1.2
47
[1]
I/O P0.17 — General purpose input/output digital pin (GPIO).
I CAP1.2 — Capture input for Timer 1, channel 2.
I/O SCK1 — Serial Clock for SSP. Clock output from master or input to
slave.
O MAT1.2 — Match output for Timer 1, channel 2.
P0.18/CAP1.3/
MISO1/MAT1.3
53
[1]
I/O P0.18 — General purpose input/output digital pin (GPIO).
I CAP1.3 — Capture input for Timer 1, channel 3.
I/O MISO1 — Master In Slave Out for SSP. Data input to SPI master or
data output from SSP slave.
O MAT1.3 — Match output for Timer 1, channel 3.
P0.19/MAT1.2/
MOSI1/CAP1.2
54
[1]
I/O P0.19 — General purpose input/output digital pin (GPIO).
O MAT1.2 — Match output for Timer 1, channel 2.
I/O MOSI1 — Master Out Slave In for SSP. Data output from SSP master
or data input to SSP slave.
I CAP1.2 — Capture input for Timer 1, channel 2.
P0.20/MAT1.3/
SSEL1/EINT3
55
[2]
I/O P0.20 — General purpose input/output digital pin (GPIO).
O MAT1.3 — Match output for Timer 1, channel 3.
I SSEL1 — Slave Select for SSP. Selects the SSP interface as a slave.
I EINT3 — External interrupt 3 input.
P0.21/PWM5/
AD1.6/CAP1.3
1
[4]
I/O P0.21 — General purpose input/output digital pin (GPIO).
O PWM5 — Pulse Width Modulator output 5.
I AD1.6 — ADC 1, input 6. Available in LPC2144/46/48 only.
I CAP1.3 — Capture input for Timer 1, channel 3.
P0.22/AD1.7/
CAP0.0/MAT0.0
2
[4]
I/O P0.22 — General purpose input/output digital pin (GPIO).
I AD1.7 — ADC 1, input 7. Available in LPC2144/46/48 only.
I CAP0.0 — Capture input for Timer 0, channel 0.
O MAT0.0 — Match output for Timer 0, channel 0.
P0.23/V
BUS
58
[1]
I/O P0.23 — General purpose input/output digital pin (GPIO).
I V
BUS
— Indicates the presence of USB bus power.
Note: This signal must be HIGH for USB reset to occur.
P0.25/AD0.4/
AOUT
9
[5]
I/O P0.25 — General purpose input/output digital pin (GPIO).
I AD0.4 — ADC 0, input 4.
O AOUT — DAC output. Available in LPC2142/44/46/48 only.
P0.28/AD0.1/
CAP0.2/MAT0.2
13
[4]
I/O P0.28 — General purpose input/output digital pin (GPIO).
I AD0.1 — ADC 0, input 1.
I CAP0.2 — Capture input for Timer 0, channel 2.
O MAT0.2 — Match output for Timer 0, channel 2.
Table 3. Pin description
…continued
Symbol Pin Type Description
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45

LPC2148FBD64,151

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Manufacturer:
NXP Semiconductors
Description:
ARM Microcontrollers - MCU ARM7 512KF/40KR/USB
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