Maxim Integrated 71M6521BE Energy Meter IC Family Software - Manual (Page 6)

71M652X Software User’s Guide
Revision 1.7 TERIDIAN Proprietary 6 of 138
© Copyright 2005-2007 TERIDIAN Semiconductor Corporation
5.17.1 Memory Use 96
5.17.2 CE Code Location 96
5.17.3 Battery Modes 96
5.17.4 Three-Wire EEPROM Hardware 98
5.17.5 Temperature Compensation 99
5.18 TEST Modules ........................................................................................................................................ 99
5.18.1 6513 CE Example 99
5.18.2 Serial Port Tests 99
5.18.3 Timer Tests 99
5.18.4 EEPROM Tests 99
5.18.5 Generating DIO Pulses on Reset 99
5.18.6 Testing the Security Bit 99
5.18.7 Software Timer Test 100
5.18.8 Interrupt Test 100
6 ............. 80515 MPU REFERENCE 101
6.1 80515 Overview .................................................................................................................................... 101
6.1.1 80515 Performance 101
6.1.2 80515 Features 102
6.2 80515 Architectural Overview ............................................................................................................. 103
6.2.1 Memory organization 103
Program Memory ................................................................................................................ 103
External Data Memory ........................................................................................................ 103
Dual Data Pointer ................................................................................................................ 104
Internal Data Memory .......................................................................................................... 104
Special Function Registers Location ................................................................................... 105
Generic Special Function Register Overview ...................................................................... 106
Generic Special Function Registers Location and Reset Values ........................................ 107
Special Function Registers Specific to the 652X ................................................................. 108
6.2.2 The 80515 Instruction Set 109
Instructions Ordered by Function ........................................................................................ 110
Instructions Ordered by Opcode (Hexadecimal) ................................................................. 114
Instructions that Affect Flags ............................................................................................... 117
6.3 80515 Hardware description ............................................................................................................... 117
6.3.1 Block Diagram 118
6.3.2 80515 MPU 119
Accumulator ........................................................................................................................ 119
The B Register .................................................................................................................... 119
Program Status Word (PSW) .............................................................................................. 119
Stack Pointer ....................................................................................................................... 120
Data Pointer ........................................................................................................................ 120