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LPC2101FBD48 Datasheet(PDF) 6 Page - NXP Semiconductors |
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LPC2101FBD48 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 32 page LPC2101_02_03_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 7 October 2008 6 of 32 NXP Semiconductors LPC2101/02/03 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. A total of 31 pins of the Port 0 can be used as general purpose bidirectional digital I/Os while P0.31 is an output only pin. The operation of port 0 pins depends upon the pin function selected via the pin connect block. P0.0/TXD0/ MAT3.1 13[1] I/O P0.0 — General purpose input/output digital pin. O TXD0 — Transmitter output for UART0. O MAT3.1 — PWM output 1 for Timer 3. P0.1/RXD0/ MAT3.2 14[1] I/O P0.1 — General purpose input/output digital pin. I RXD0 — Receiver input for UART0. O MAT3.2 — PWM output 2 for Timer 3. P0.2/SCL0/ CAP0.0 18[2] I/O P0.2 — General purpose input/output digital pin. Output is open-drain. 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 21[2] I/O P0.3 — General purpose input/output digital pin. Output is open-drain. I/O SDA0 — I2C0 data input/output. Open-drain output (for I2C-bus compliance). O MAT0.0 — PWM output for Timer 0, channel 0. Output is open-drain. P0.4/SCK0/ CAP0.1 22[1] I/O P0.4 — General purpose input/output digital pin. 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. P0.5/MISO0/ MAT0.1 23[1] I/O P0.5 — General purpose input/output digital pin. I/O MISO0 — Master In Slave Out for SPI0. Data input to SPI master or data output from SPI slave. O MAT0.1 — PWM output for Timer 0, channel 1. P0.6/MOSI0/ CAP0.2 24[1] I/O P0.6 — General purpose input/output digital pin. 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. P0.7/SSEL0/ MAT2.0 28[1] I/O P0.7 — General purpose input/output digital pin. I SSEL0 — Slave Select for SPI0. Selects the SPI interface as a slave. O MAT2.0 — PWM output for Timer 2, channel 0. P0.8/TXD1/ MAT2.1 29[1] I/O P0.8 — General purpose input/output digital pin. O TXD1 — Transmitter output for UART1. O MAT2.1 — PWM output for Timer 2, channel 1. P0.9/RXD1/ MAT2.2 30[1] I/O P0.9 — General purpose input/output digital pin. I RXD1 — Receiver input for UART1. O MAT2.2 — PWM output for Timer 2, channel 2. P0.10/RTS1/ CAP1.0/AD0.3 35[3] I/O P0.10 — General purpose input/output digital pin. O RTS1 — Request to Send output for UART1. I CAP1.0 — Capture input for Timer 1, channel 0. I AD0.3 — ADC 0, input 3. |
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