EM77950 datasheet(3/102 Pages) EMC

3 / 102 page

Contents

Product Specification (V1.0) 10.09.2007

• iii

Contents

General Description ................................................................................................ 1

Features ................................................................................................................... 1

2.1 Core..................................................................................................................1

2.2 Oscillators/System Clocks ................................................................................2

2.3 Input and Output (I/O) Pins ...............................................................................2

2.4 Timers and Counters ........................................................................................2

2.5 Interrupt Sources and Features ........................................................................2

2.6 Baseband (BB) .................................................................................................3

2.7 Serial Peripheral Interface (SPI) .......................................................................3

2.8 Pulse Width Modulation (PWM) ........................................................................3

2.9 Analog to Digital Converter (ADC) ....................................................................3

Pins Assignment ..................................................................................................... 4

Pin Description ........................................................................................................ 6

Block Diagram ......................................................................................................... 9

Memory .................................................................................................................. 10

6.1 Program Memory ............................................................................................10

6.2 RAM–Register ................................................................................................ 11

Function Description............................................................................................. 25

7.1 Special Purpose Registers..............................................................................25

7.1.1

Accumulator – ACC.........................................................................................25

7.1.2

Indirect Addressing Contents – IAC0 and IAC1 ...............................................25

7.1.3

High Byte Program Counter HPC and Low Byte Program Counter LPC .........25

7.1.4

Status Register – SR .......................................................................................26

7.1.5

RAM Bank Selector – RAMBS0 and RAMBS1 ................................................26

7.1.6

ROM Page Selector – ROMPS .......................................................................27

7.1.7

Indirect Addressing Pointers – IAP0 and IAP1 ................................................27

7.1.8

Indirect Address Pointer Direction Control Register – IAPDR..........................27

7.1.9

Table Look-up Pointer – LTBL and HTBL ........................................................28

7.1.10 Stack Pointer – STKPTR .................................................................................28

7.1.11 Repeat Counter – RPTC .................................................................................28

7.1.12 Prescaler Counter – PRC................................................................................28

7.1.13 Real Time Clock Counter – RTCC...................................................................28

7.1.14 Interrupt Flag Register – INTF.........................................................................28

7.1.15 Key Wake-up Flag Register – KWUAIF & KWUBIF.........................................29

7.1.16 I/O Port Registers – PTA ~ PTF.......................................................................29

7.1.17 16-bit Free Run Counter (FRC) – LFRC HFRC & LFRCB ...............................29

7.1.18 Serial Peripheral Interface Read Register – SPIRB.........................................29

7.1.19 Serial Peripheral Interface Write Register – SPIWB ........................................29

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