LPC2104 Philips Semiconductors (Acquired by NXP), LPC2104 Datasheet - Page 15

• Manufacturer Part Number: LPC2104
• Description: LPC2104/2105/2106; Single-chip 32-bit Microcontrollers; 128 KB Isp/iap Flash With 64 KB/32 KB/16 KB RAM;; Package: SOT313-2 (LQFP48)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
9397 750 11499
Product data
6.9.1 Features
6.9 General purpose parallel I/O
Table 7:
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.
PINSEL1
1:0
3:2
5:4
7:6
9:8
11:10
13:12
15:14
17:16
19:18
21:20
23:22
25:24
27:26
29:28
31:30
•
•
•
Direction control of individual bits.
Separate control of output set and clear.
All I/O default to inputs after reset.
Pin function select register 1 (PINSEL1 - 0xE002C004)
Pin Name
P0.16
P0.17
P0.18
P0.19
P0.20
P0.21
P0.22
P0.23
P0.24
P0.25
P0.26
P0.27
P0.28
P0.29
P0.30
P0.31
Rev. 02 — 11 June 2003
Value
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
LPC2104/2105/2106
Function
GPIO Port 0.16
EINT0
Match 0.2 (Timer 0)
GPIO Port 0.17
Capture 1.2 (Timer 1)
GPIO Port 0.18
Capture 1.3 (Timer 1)
GPIO Port 0.19
Match 1.2 (Timer 1)
GPIO Port 0.20
Match 1.3 (Timer 1)
GPIO Port 0.21
PWM5
GPIO Port 0.22
GPIO Port 0.23
GPIO Port 0.24
GPIO Port 0.25
GPIO Port 0.26
GPIO Port 0.27
TRST
GPIO Port 0.28
TMS
GPIO Port 0.29
TCK
GPIO Port 0.30
TDI
GPIO Port 0.31
TDO
Single-chip 32-bit microcontrollers
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Value after
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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