LPC2114 Philips Semiconductors (Acquired by NXP), LPC2114 Datasheet - Page 16

• Manufacturer Part Number: LPC2114
• Description: Single-chip 16/32-bit Microcontrollers; 128/256 KB Isp/iap Flash With 10-bit ADCthe LPC2114/LPC2124 Are Based on a 16/32 Bit ARM7TDMI-STM Cpu With Real-time Emulation And Embedded Trace Support, Together With 128/256 Kilobytes (kB) of Embedded High S
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
9397 750 12805
Preliminary data
6.10.1 Features
6.10 General purpose parallel I/O
6.11 10-bit A/D converter
6.9 Pin function select register 2 (PINSEL2 - 0xE002C014)
Table 7:
The PINSEL2 register controls the functions of the pins as per the settings listed in
Table
function is selected for a pin. For other functions direction is controlled automatically.
Settings other than those shown in the table are reserved, and should not be used.
Table 8:
Device pins that are not connected to a specific peripheral function are controlled by
the GPIO registers. Pins may be dynamically configured as inputs or outputs.
Separate registers allow setting or clearing any number of outputs simultaneously.
The value of the output register may be read back, as well as the current state of the
port pins.
The LPC2114/LPC2124 each contain single 10-bit successive approximation analog
to digital converter with four multiplexed channels.
PINSEL1
29:28
31:30
PINSEL2 bits
1:0
2
3
31:4
31:30
•
•
•
Direction control of individual bits.
Separate control of output set and clear.
All I/O default to inputs after reset.
8. The direction control bit in the IODIR register is effective only when the GPIO
Pin function select register 1 (PINSEL1 - 0xE002C004)
Pin function select register 2 (PINSEL2 - 0xE002C014)
Pin Name
P0.30
P0.31
Rev. 02 — 02 February 2004
Description
Reserved
When 0, pins P1.31:26 are GPIO pins. When 1,
P1.31:26 are used as Debug port.
When 0, pins P1.25:16 are used as GPIO pins. When
1, P1.25:16 are used as Trace port.
Reserved
Value
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Single-chip 16/32-bit microcontrollers
Function
GPIO Port 0.30
AIN3 (A/D input 0)
EINT3
Capture 0.0 (Timer0)
Reserved
Reserved
Reserved
Reserved
LPC2114/LPC2124
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
…continued
Reset value
-
0
0
-
Value after
Reset
1
0
16 of 33