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參數(shù)資料
| 型號： | LPC2212 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP Flash with 10-bit ADC and external memory interface |
| 中文描述： | 16/32位ARM微控制器; 128/256 kB ISP / IAP閃存的10位模數(shù)轉(zhuǎn)換器和外部存儲器接口 |
| 文件頁數(shù)： | 19/40頁 |
| 文件大小： | 185K |
| 代理商： | LPC2212 |
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Philips Semiconductors
LPC2212/LPC2214
16/32-bit ARM microcontrollers with external memory interface
Product data
Rev. 02 — 23 December 2004
19 of 40
9397 750 13149
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
6.9 Pin function select register 2 (PINSEL2 - 0xE002C014)
The PINSEL2 register controls the functions of the pins as per the settings listed in
Table 8
. The direction control bit in the IODIR register is effective only when the GPIO
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.
31:30
P0.31
0
0
1
1
0
1
0
1
Reserved
Reserved
Reserved
Reserved
0
Table 7:
PINSEL1
Pin function select register 1 (PINSEL1 - 0xE002C004)
…continued
Pin Name
Value
Function
Value after
Reset
Table 8:
PINSEL2 bits
1:0
2
Pin function select register 2 (PINSEL2 - 0xE002C014)
Description
Reserved.
When 0, pins P1.36:26 are used as GPIO pins. When 1, P1.31:26 are used as a
Debug port.
When 0, pins P1.25:16 are used as GPIO pins. When 1, P1.25:16 are used as a
Trace port.
Controls the use of the data bus and strobe pins:
Pins P2.7:0
11 = P2.7:0
Pin P1.0
11 = P1.0
Pin P1.1
11 = P1.1
Pin P3.31
11 = P3.31
Pins P2.15:8
00 or 11 = P2.15:8
Pin P3.30
00 or 11 = P3.30
Pins P2.27:16
0x or 11 = P2.27:16
Pins P2.29:28
0x or 11 = P2.29:28 or reserved
Pins P2.31:30
0x or 11 = P2.31:30 or AIN5:4
Pins P3.29:28
0x or 11 = P3.29:28 or AIN6:7
If bits 5:4 are not 10, controls the use of pin P3.29: 0 enables P3.29, 1 enables
AIN6.
If bits 5:4 are not 10, controls the use of pin P3.28: 0 enables P3.28, 1 enables
AIN7.
Controls the use of pin P3.27: 0 enables P3.27, 1 enables WE.
Reserved.
Controls the use of pin P3.26: 0 enables P3.26, 1 enables CS1.
Reserved.
If bits 25:23 are not 111, controls the use of pin P3.23/A23/XCLK: 0 enables
P3.23, 1 enables XCLK.
Controls the use of pin P3.25: 00 enables P3.25, 01 enables CS2, 10 and 11
are reserved values.
Controls the use of pin P3.24: 00 enables P3.24, 01 enables CS3, 10 and 11
are reserved values.
Reset value
-
P1.26/RTCK
3
P1.20/
TRACESYNC
BOOT1:0
5:4
0x or 10 = D7:0
0x or 10 = CS0
0x or 10 = OE
0x or 10 = BLS0
01 or 10 = D15:8
01 or 10 = BLS1
10 = D27:16
10 = D29:28
10 = D31:30
10 = BLS2:3
6
1
7
1
8
10:9
11
12
13
0
-
0
-
0
15:14
00
17:16
00
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