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LPC1225FBD48321 Datasheet(PDF) 13 Page - NXP Semiconductors |
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LPC1225FBD48321 Datasheet(HTML) 13 Page - NXP Semiconductors |
13 / 60 page ![]() 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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