EM78815BQ Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM78815BQ Datasheet PDF : 82 Pages
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Contents
Contents
1 General Description .................................................................................................. 1
2 Features ..................................................................................................................... 1
2.1 CPU ....................................................................................................................1
2.2 Serial Transmitter/Receiver Interface..................................................................2
2.3 Current D/A .........................................................................................................2
2.4 Programmable Tone Generators.........................................................................2
2.5 CID......................................................................................................................2
2.6 Call Waiting .........................................................................................................3
2.7 External LCD controller (64×256 dot max for a pair of Master and Slave LCD Driver) ....3
2.8 Package Type .....................................................................................................3
3 Application................................................................................................................. 3
4 Pin Configuration ...................................................................................................... 4
5 Functional Block Diagram........................................................................................ 6
6 Pin Descriptions........................................................................................................ 7
6.1 Power Pin............................................................................................................7
6.2 Clock Pin.............................................................................................................7
6.3 External LCD Device Control Pin........................................................................7
6.4 FSK, CW .............................................................................................................7
6.5 DTMF Receiver, OP............................................................................................8
6.6 Serial IO, Comparator, Current DA, Tone............................................................8
6.7 IO ........................................................................................................................8
6.8 Expand Program/Data ROM Interface ................................................................9
7 Function Description ...............................................................................................11
7.1 Operational Register .........................................................................................11
7.2 Operational Register Detail Description............................................................11
7.2.1 R0 Indirect Addressing Register........................................................................11
7.2.2 R1 Page 0 TCC Data Buffer..............................................................................12
7.2.3 R1 Page 1 Interrupt Flag 1 Real Value .............................................................12
7.2.4 R1 Page 2 Interrupt Flag 2 Real Value .............................................................12
7.2.5 R1 Page 3 UART Receiver Data Buffer ............................................................13
7.2.6 R2 Program Counter .........................................................................................13
7.2.7 R3 Status Register ............................................................................................14
7.2.8 R4 RAM Select for Common Registers R20~R3F, UART Control Register .....15
7.2.8.1 Page 0................................................................................................ 15
7.2.8.2 Page 1 Undefined Register................................................................ 15
7.2.9 Page 2 UART Control Register 1 ......................................................................15
7.2.10 Page 3 UART Control Register 2 ......................................................................16
Product Specification (V2.4) 02.17.2006
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