NXP Semiconductors P89LPC9321 UM10310 Manual de usuario descargar pdf (Pagina 2)

User manual Rev. 01 — 1 December 2008 2 of 139

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NXP Semiconductors

UM10310

P89LPC9321 User manual

Revision history

Rev Date Description

01 20081201 Initial version.

1 2 3 4 5 6 7 ... 138 139

P89LPC9321 User manual 1
Contact information 2
1. Introduction 3
1.2 Pin description 5
1.3 Functional diagram 8
1.4 Block diagram 9
NXP Semiconductors 10
1.6 Memory organization 20
2. Clocks 21
2.4 Clock output 22
3. Interrupts 25
4. I/O ports 28
4.1 Port configurations 29
4.4 Input-only configuration 31
4.7 Additional port features 32
5. Power monitoring functions 33
5.2 Power-on detection 34
5.3 Power reduction modes 34
6. Reset 37
6.1 Reset vector 38
7. Timers 0 and 1 39
7.1 Mode 0 40
7.2 Mode 1 40
002aae091 44
8.2 Changing RTCS1/RTCS0 45
9. Capture/Compare Unit (CCU) 47
9.3 Basic timer operation 48
9.4 Output compare 50
9.5 Input capture 51
9.6 PWM operation 52
9.7 Alternating output mode 53
9.9 HALT 54
9.10 PLL operation 55
10. UART 59
10.4 Mode 3 60
10.5 SFR space 60
10.8 Framing error 61
10.9 Break detect 61
10.10 More about UART Mode 0 63
002aaa925 64
10.14 Break detect 66
10.15 Double buffering 66
C interface 70
C data register 71
C slave address register 71
C control register 72
C Status register 73
C operation modes 74
002aaa900 85
12.1 Configuring the SPI 88
12.4 Mode change on SS 89
12.5 Write collision 90
12.6 Data mode 90
13. Analog comparators 94
13.3 Comparator input pins 96
13.4 Comparator interrupt 96
14. Keypad interrupt (KBI) 100
15. Watchdog timer (WDT) 101
002aae092 102
5 PRE+() 103
15.3 Watchdog clock source 105
16. Additional features 107
16.2 Dual Data Pointers 108
16.1 Software reset 108
17. Data EEPROM 109
17.1 Data EEPROM read 110
17.2 Data EEPROM write 110
17.3 Hardware reset 111
17.6 Data EEPROM Row Fill 111
18. Flash memory 112
18.7 Boot ROM 117
18.13 IAP authorization key 122
18.14 Flash write enable 122
18.16 IAP error status 123
18.18 User security bytes 128
18.19 Boot Vector register 129
18.20 Boot status register 129
19. Instruction set 131
20. Legal information 134
21. Tables 135
22. Figures 137
23. Contents 138

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NXP Semiconductors P89LPC9321 UM10310 Manual de usuario Pagina 2

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