P89LPC933/934/935/936
Philips Semiconductors
8-bit microcontroller with accelerated two-clock 80C51 core
8.28.1
8.28.2
8.28.3
8.28.4
8.28.5
8.28.6
8.28.7
8.28.8
8.28.9
General description. . . . . . . . . . . . . . . . . . . . . 49
20
21
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Contact information . . . . . . . . . . . . . . . . . . . . 73
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Flash organization . . . . . . . . . . . . . . . . . . . . . 50
Using flash as data storage . . . . . . . . . . . . . . 50
Flash programming and erasing. . . . . . . . . . . 50
In-circuit programming . . . . . . . . . . . . . . . . . . 50
In-application programming . . . . . . . . . . . . . . 50
In-system programming . . . . . . . . . . . . . . . . . 51
Power-on reset code execution. . . . . . . . . . . . 51
8.28.10 Hardware activation of the boot loader. . . . . . 52
8.29
8.30
User configuration bytes. . . . . . . . . . . . . . . . . 52
User sector security bytes . . . . . . . . . . . . . . . 52
9
9.1
9.2
9.3
A/D converter . . . . . . . . . . . . . . . . . . . . . . . . . . 52
General description. . . . . . . . . . . . . . . . . . . . . 52
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . 53
A/D operating modes . . . . . . . . . . . . . . . . . . . 53
Fixed channel, single conversion mode . . . . . 53
Fixed channel, continuous conversion mode . 54
Auto scan, single conversion mode . . . . . . . . 54
Auto scan, continuous conversion mode . . . . 54
Dual channel, continuous conversion mode . . 54
Single step mode . . . . . . . . . . . . . . . . . . . . . . 54
Conversion start modes . . . . . . . . . . . . . . . . . 54
Timer triggered start . . . . . . . . . . . . . . . . . . . . 54
Start immediately . . . . . . . . . . . . . . . . . . . . . . 54
Edge triggered . . . . . . . . . . . . . . . . . . . . . . . . 55
Dual start immediately (P89LPC935/936) . . . 55
Boundary limits interrupt. . . . . . . . . . . . . . . . . 55
DAC output to a port pin with high output
9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.5
9.5.1
9.5.2
9.5.3
9.5.4
9.6
9.7
impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Clock divider . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Power-down and Idle mode . . . . . . . . . . . . . . 55
9.8
9.9
10
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 56
Static characteristics. . . . . . . . . . . . . . . . . . . . 57
11
11.1
IOH as a function of VOH . . . . . . . . . . . . . . . . . 58
12
12.1
12.2
Dynamic characteristics . . . . . . . . . . . . . . . . . 59
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
ISP entry mode. . . . . . . . . . . . . . . . . . . . . . . . 66
13
13.1
13.2
Other characteristics. . . . . . . . . . . . . . . . . . . . 66
Comparator electrical characteristics . . . . . . . 66
A/D converter electrical characteristics. . . . . . 67
14
15
16
17
18
19
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 68
Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 71
Revision history. . . . . . . . . . . . . . . . . . . . . . . . 72
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 73
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
© Koninklijke Philips Electronics N.V. 2005
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Date of release: 20 June 2005
Document number: 9397 750 15113
Published in the Netherlands
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