Intel MCS 51 User Manual

83C152 HARDWARE CONTENTS
PAGE
DESCRIPTION l,olNTRoDucTloN..................................7-3
2.0 COMPARISON OF 80C152 AND
80C51
BH FEATURES ............................ 7-3
2.1 MemorySpace................................. 7-3
2.2 interruptStructure.......................... 7-11
2.3 Reset............................................. 7-12
2.4 Ports4, 5 and6 ............................. 7-13
2.5 Tmere/Counters............................ 7-13
2.6 Package......................................... 7-13
2.7 Pin Description............................... 7-14
2.8 PowerDownandIdle..................... 7-17
2.9 LocalSerialChannel...................... 7-17
3.0 GLOBAL SERIAL CHANNEL ............7-17
3.1 Introduction.................................... 7-17
3.2 CSMA/CD Operation..................... 7-20
3.3 SDLC Operation
............................ 7-27
3.4 User DefinedProtocols.................. 7-34
3.5 Usingthe GSC............................... 7-34
3.6 GCS Operation.............................. 7-42
3.7 RegisterDescriptions..................... 7-44
3.8 Serial Backplanevs Network
Environment..................................... 7-47
4.0 DMA OPERATION ............................. 7-47
4.1 DMA withthe 80C152......... ........... 7-47
4.2 TimingDiagrams............................ 7-50
4.3 Hold/HoldAcknowledge................. 7-50
4.4 DMA Arbitration............................. 7-55
4.5 Summaryof DMA ControlBits....... 7-59
5.0
INTERRUPT STRUCTURE ................7-60
5.1 GSC TransmitterError
Conditions........................................
7-62
5.2 GSCReceiverError
Conditions........................................
7-63
6.0
GLOSSARY ........................................7-64
7-1

Intel MCS 51 Specifications

General

Brand	Intel
Model	MCS 51
Category	Microcontrollers
Language	English