P89LPC952
Philips Semiconductors
8-bit microcontroller with 10-bit ADC
8.1
General description. . . . . . . . . . . . . . . . . . . . . 44
8.2
8.3
8.4
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . 45
ADC operating modes . . . . . . . . . . . . . . . . . . 45
Fixed channel, single conversion mode . . . . . 45
Fixed channel, continuous conversion mode . 45
Auto scan, single conversion mode . . . . . . . . 45
Auto scan, continuous conversion mode . . . . 46
Dual channel, continuous conversion mode . . 46
Single step mode . . . . . . . . . . . . . . . . . . . . . . 46
Conversion start modes . . . . . . . . . . . . . . . . . 46
Timer triggered start . . . . . . . . . . . . . . . . . . . . 46
Start immediately . . . . . . . . . . . . . . . . . . . . . . 46
Edge triggered . . . . . . . . . . . . . . . . . . . . . . . . 46
Boundary limits interrupt. . . . . . . . . . . . . . . . . 47
Clock divider . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Power-down and Idle mode . . . . . . . . . . . . . . 47
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.5
8.5.1
8.5.2
8.5.3
8.6
8.7
8.8
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 48
Static characteristics. . . . . . . . . . . . . . . . . . . . 49
10
11
11.1
11.2
Dynamic characteristics . . . . . . . . . . . . . . . . . 51
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
ISP entry mode. . . . . . . . . . . . . . . . . . . . . . . . 58
12
12.1
12.2
Other characteristics. . . . . . . . . . . . . . . . . . . . 58
Comparator electrical characteristics . . . . . . . 58
ADC electrical characteristics. . . . . . . . . . . . . 59
13
14
15
16
17
18
19
20
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 60
Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 62
Revision history. . . . . . . . . . . . . . . . . . . . . . . . 63
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 64
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Contact information . . . . . . . . . . . . . . . . . . . . 64
© 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: 16 September 2005
Document number: 9397 750 14716
Published in the Netherlands