Contents
Contents
1
2
General Description.................................................................................................. 1
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
Application................................................................................................................. 3
Pin Configuration...................................................................................................... 4
Functional Block Diagram........................................................................................ 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
Function Description ...............................................................................................11
7.1 Operational Register.........................................................................................11
3
4
5
6
7
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
• iii
ELAN [ ELAN MICROELECTRONICS CORP ]
