LPC2925 NXP Semiconductors, LPC2925 Datasheet - Page 81

• Manufacturer Part Number: LPC2925
• Description: (LPC2921 - LPC2925) ARM9 microcontroller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
6.15.1
6.15.2
6.15.2.1
6.15.2.2
6.15.2.3
6.15.3
6.15.3.1
6.15.4
6.15.4.1
6.15.4.2
6.15.5
6.15.5.1
6.16
6.16.1
6.16.2
7
8
8.1
8.2
9
9.1
9.2
9.3
9.4
9.5
9.6
10
10.1
10.2
11
12
12.1
12.2
12.3
12.4
13
14
15
16
16.1
16.2
16.3
16.4
17
18
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Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 53
Static characteristics. . . . . . . . . . . . . . . . . . . . 55
Dynamic characteristics . . . . . . . . . . . . . . . . . 63
Application information. . . . . . . . . . . . . . . . . . 70
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 73
Soldering of SMD packages . . . . . . . . . . . . . . 74
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 77
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 78
Legal information. . . . . . . . . . . . . . . . . . . . . . . 79
Contact information. . . . . . . . . . . . . . . . . . . . . 79
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Clock description . . . . . . . . . . . . . . . . . . . . . . 41
Clock Generation Unit (CGU0) . . . . . . . . . . . . 42
Functional description. . . . . . . . . . . . . . . . . . . 42
PLL functional description . . . . . . . . . . . . . . . 45
Pin description . . . . . . . . . . . . . . . . . . . . . . . . 46
Clock generation for USB (CGU1) . . . . . . . . . 46
Pin description . . . . . . . . . . . . . . . . . . . . . . . . 47
Reset Generation Unit (RGU). . . . . . . . . . . . . 47
Functional description. . . . . . . . . . . . . . . . . . . 47
Pin description . . . . . . . . . . . . . . . . . . . . . . . . 48
Power Management Unit (PMU). . . . . . . . . . . 48
Functional description. . . . . . . . . . . . . . . . . . . 49
Vectored interrupt controller . . . . . . . . . . . . . . 51
Functional description. . . . . . . . . . . . . . . . . . . 51
Clock description . . . . . . . . . . . . . . . . . . . . . . 52
Power consumption . . . . . . . . . . . . . . . . . . . . 59
Electrical pin characteristics . . . . . . . . . . . . . . 60
Dynamic characteristics: I/O pins, internal clock,
oscillators, PLL, and CAN. . . . . . . . . . . . . . . . 63
USB interface . . . . . . . . . . . . . . . . . . . . . . . . . 64
Dynamic characteristics: I
Dynamic characteristics: SPI . . . . . . . . . . . . . 66
Dynamic characteristics: flash memory . . . . . 69
Dynamic characteristics: ADC1/2 . . . . . . . . . 70
Operating frequency selection . . . . . . . . . . . . 70
Suggested USB interface solutions . . . . . . . . 71
Introduction to soldering . . . . . . . . . . . . . . . . . 74
Wave and reflow soldering . . . . . . . . . . . . . . . 74
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 74
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 75
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 79
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 79
2
C-bus interface. . . 65
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2008.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
ARM9 microcontroller with CAN and LIN
LPC2921/2923/2925
Document identifier: LPC2921_2923_2925_0
Date of release: 24 October 2008
All rights reserved.