參數(shù)資料
型號(hào)： LPC2294
廠商： NXP Semiconductors N.V.
英文描述： 16/32-bit ARM microcontrollers 256 kB ISP/IAP Flash with CAN, 10-bit ADC and external memory interface
中文描述： 16/32位ARM微控制器的256 KB的供應(yīng)商/聯(lián)合會(huì)與CAN，10閃光位模數(shù)轉(zhuǎn)換器和外部存儲(chǔ)器接口
文件頁(yè)數(shù)： 19/40頁(yè)
文件大小： 188K
代理商： LPC2294
Philips Semiconductors
LPC2292/LPC2294
16/32-bit ARM microcontrollers with external memory interface
Preliminary data
Rev. 01 — 05 February 2004
19 of 40
9397 750 12748
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5:4
Controls the use of the data bus and strobe pins:
Pins P2.7:0
Pin P1.0
Pin P1.1
Pin 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.
Reserved.
If bits 5:4 are not 10, controls the use of pin P2.29:28: 0 enables P2.29:28, 1 is
reserved
If bits 5:4 are not 10, controls the use of pin P2.30: 0 enables P2.30, 1 enables
AIN4.
If bits 5:4 are not 10, controls the use of pin P2.31: 0 enables P2.31, 1 enables
AIN5.
Controls whether P3.0/A0 is a port pin (0) or an address line (1).
BOOT1:0
11 = P2.7:0
11 = P1.0
11 = P1.1
11 = P3.31
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
19:18
20
-
0
21
1
22
1
23
1 if BOOT1:0=00 at
RESET=0,
0 otherwise
BOOT1 during
Reset
000 if BOOT1:0=11
at Reset, 111
otherwise
24
Controls whether P3.1/A1 is a port pin (0) or an address line (1).
27:25
Controls the number of pins among P3.23/A23/XCLK and P3.22:2/A2.22:2 that are
address lines:
000 = None
100 = A11:2 are address lines.
001 = A3:2 are address lines.
101 = A15:2 are address lines.
010 = A5:2 are address lines.
110 = A19:2 are address lines.
011 = A7:2 are address lines.
111 = A23:2 are address lines.
Reserved.
31:28
Table 8:
PINSEL2 bits
Pin function select register 2 (PINSEL2 - 0xE002C014)
…continued
Description
Reset value
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