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LPC2148 Datasheet(PDF) 7 Page - NXP Semiconductors |
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LPC2148 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 39 page LPC2141_42_44_46_48_3 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 03 — 19 October 2007 7 of 39 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 — I2C0 clock input/output, open-drain output (for I2C-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 — I2C0 data input/output, open-drain output (for I2C-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 0 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 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 |
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