NXP Semiconductors
P89LPC9331/9341/9351/9361
8-bit microcontroller with accelerated two-clock 80C51 core
© NXP B.V. 2012. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 20 August 2012
Document identifier: P89LPC9331_9341_9351_9361
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
7.30.1 General description . . . . . . . . . . . . . . . . . . . . 55
7.30.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.30.3 Flash organization . . . . . . . . . . . . . . . . . . . . . 56
7.30.4 Using flash as data storage . . . . . . . . . . . . . . 56
7.30.5 Flash programming and erasing. . . . . . . . . . . 56
7.30.6 ICP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
7.30.7 IAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
7.30.8 ISP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
7.30.9 Power-on reset code execution . . . . . . . . . . . 57
7.30.10 Hardware activation of the bootloader . . . . . . 58
7.31 User configuration bytes. . . . . . . . . . . . . . . . . 58
7.32 User sector security bytes . . . . . . . . . . . . . . . 58
8 ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
8.1 General description . . . . . . . . . . . . . . . . . . . . 58
8.2 Features and benefits. . . . . . . . . . . . . . . . . . . 58
8.3 Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . 60
8.4 PGA (P89LPC9351/9361) . . . . . . . . . . . . . . . 61
8.5 Temperature sensor . . . . . . . . . . . . . . . . . . . . 61
8.6 ADC operating modes . . . . . . . . . . . . . . . . . . 62
8.6.1 Fixed channel, single conversion mode . . . . . 62
8.6.2 Fixed channel, continuous conversion mode . 62
8.6.3 Auto scan, single conversion mode . . . . . . . . 62
8.6.4 Auto scan, continuous conversion mode . . . . 62
8.6.5 Dual channel, continuous conversion mode. . 62
8.6.6 Single step mode . . . . . . . . . . . . . . . . . . . . . . 63
8.7 Conversion start modes . . . . . . . . . . . . . . . . . 63
8.7.1 Timer triggered start . . . . . . . . . . . . . . . . . . . . 63
8.7.2 Start immediately . . . . . . . . . . . . . . . . . . . . . . 63
8.7.3 Edge triggered . . . . . . . . . . . . . . . . . . . . . . . . 63
8.7.4 Dual start immediately . . . . . . . . . . . . . . . . . . 63
8.8 Boundary limits interrupt. . . . . . . . . . . . . . . . . 63
8.9 DAC output to a port pin with high output
impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
8.10 Clock divider. . . . . . . . . . . . . . . . . . . . . . . . . . 64
8.11 Power-down and Idle mode . . . . . . . . . . . . . . 64
9 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 65
10 Static characteristics. . . . . . . . . . . . . . . . . . . . 66
10.1 Current characteristics . . . . . . . . . . . . . . . . . . 68
10.2 Internal RC/watchdog oscillator characteristics 72
10.3 BOD characteristics . . . . . . . . . . . . . . . . . . . . 75
11 Dynamic characteristics . . . . . . . . . . . . . . . . . 76
11.1 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
11.2 ISP entry mode. . . . . . . . . . . . . . . . . . . . . . . . 82
12 Other characteristics. . . . . . . . . . . . . . . . . . . . 83
12.1 Comparator electrical characteristics . . . . . . . 83
12.2 ADC/PGA/temperature sensor electrical
characteristics. . . . . . . . . . . . . . . . . . . . . . . . . 84
13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 87
14 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 89
15 Revision history . . . . . . . . . . . . . . . . . . . . . . . 90
16 Legal information . . . . . . . . . . . . . . . . . . . . . . 91
16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 91
16.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
16.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 91
16.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 92
17 Contact information . . . . . . . . . . . . . . . . . . . . 92
18 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
