UM10139

Philips SemiconductorsVolume 1UM10139Chapter 6: Pin ConfigurationTable 58: Pin description …continuedSymbol Pin Type DescriptionP0.8/TXD1/ 33 [4] I/O P0.8 — General purpose digital input/output pinPWM4/AD1.1O TXD1 — Transmitter output for UART1O PWM4 — Pulse Width Modulator output 4IAD1.1 — A/D converter 1, input 1. This analog input is always connected toits pin. Available in LPC2144/6/8 onlyP0.9/RxD1/ 34 [2] I/O P0.9 — General purpose digital input/output pinPWM6/EINT3IRxD1 — Receiver input for UART1O PWM6 — Pulse Width Modulator output 6IEINT3 — External interrupt 3 inputP0.10/RTS1/ 35 [4] I/O P0.10 — General purpose digital input/output pinCAP1.0/AD1.2O RTS1 — Request to Send output for UART1. Available in LPC2144/6/8 only.I CAP1.0 — Capture input for Timer 1, channel 0IAD1.2 — A/D converter 1, input 2. This analog input is always connected toits pin. Available in LPC2144/6/8 only.P0.11/CTS1/ 37 [3] I/O P0.11 — General purpose digital input/output pinCAP1.1/SCL1ICTS1 — Clear to Send input for UART1. Available in LPC2144/6/8 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 compliance)P0.12/DSR1/ 38 [4] I/O P0.12 — General purpose digital input/output pinMAT1.0/AD1.3IDSR1 — Data Set Ready input for UART1. Available in LPC2144/6/8 only.O MAT1.0 — Match output for Timer 1, channel 0.IAD1.3 — A/D converter input 3. This analog input is always connected to itspin. Available in LPC2144/6/8 only.P0.13/DTR1/ 39 [4] I/O P0.13 — General purpose digital input/output pinMAT1.1/AD1.4O DTR1 — Data Terminal Ready output for UART1. Available in LPC2144/6/8only.O MAT1.1 — Match output for Timer 1, channel 1.IAD1.4 — A/D converter input 4. This analog input is always connected to itspin. Available in LPC2144/6/8 only.P0.14/DCD1/ 41 [3] I/O P0.14 — General purpose digital input/output pinEINT1/SDA1IDCD1 — Data Carrier Detect input for UART1. Available in LPC2144/6/8 only.IEINT1 — External interrupt 1 inputI/O SDA1 — I 2 C1 data input/output. Open drain output (for I 2 C compliance)Note: LOW on this pin while RESET is LOW forces on-chip boot-loader totake over control of the part after reset.P0.15/RI1/ 45 [4] I/O P0.15 — General purpose digital input/output pinEINT2/AD1.5IRI1 — Ring Indicator input for UART1. Available in LPC2144/6/8 only.IEINT2 — External interrupt 2 input.IAD1.5 — A/D converter 1, input 5. This analog input is always connected toits pin. Available in LPC2144/6/8 only.© Koninklijke Philips Electronics N.V. 2005. All rights reserved.User manual Rev. 01 — 15 August 2005 70