LG KG280 Service Manual - Page 20

Baseband Processor AD6720 , U101

Get LG KG280 PDF manuals and user guides View all LG KG280 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 20 highlights

3. TECHNICAL BRIEF 3.5 Baseband Processor (AD6720 , U101) • AD6720 is an ADI designed processor • AD6720 consists of 1. Control Processor Subsystem including: • 32-bit MCU ARM7TDMI® Control Processor • 39 MHz operation at 1.8V • 1Mb of on-chip System SRAM Memory 2. DSP Subsystem including: • 16-bit Fixed Point DSP Processor • 91 MIPS[1] at 1.8V • Data and Program SRAM • Program Instruction Cache • Full Rate, Enhanced Full Rate and Half Rate • Speech Encoding/Decoding • Capable of Supporting AMR & PDC Speech Algorithms 3. Peripheral Functions • Parallel and Serial Display Interface • Keypad Interface • Flash Memory Interface • Page-Mode Flash Support • 1.8V and 3.0V, 64 kbps SIM Interface • Universal System Connector Interface • Data Services Interface • Battery Interface (e.g. Dallas) 4. Other • Supports 13 MHz and 26 MHz Input Clocks • 1.8V Typical Core Operating Voltages • 289-Ball Package (12x12mm), 0.65mm Ball pitch 5. The AD6720 baseband transmit section supports the following mobile station GMSK modulation power classes: • GSM 900/850 power classes 4 and 5, • DCS 1800 power classes 1 and 2, and • PCS 1900 power classes 1 and 2 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 21 - LGE Internal Use Only

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
- 21 -
3. TECHNICAL BRIEF
3.5 Baseband Processor (AD6720 , U101)
• AD6720 is an ADI designed processor
• AD6720 consists of
1. Control Processor Subsystem including:
• 32-bit MCU ARM7TDMI® Control Processor
• 39 MHz operation at 1.8V
• 1Mb of on-chip System SRAM Memory
2. DSP Subsystem including:
• 16-bit Fixed Point DSP Processor
• 91 MIPS[1] at 1.8V
• Data and Program SRAM
• Program Instruction Cache
• Full Rate, Enhanced Full Rate and Half Rate
• Speech Encoding/Decoding
• Capable of Supporting AMR & PDC Speech Algorithms
3. Peripheral Functions
• Parallel and Serial Display Interface
• Keypad Interface
• Flash Memory Interface
• Page-Mode Flash Support
• 1.8V and 3.0V, 64 kbps SIM Interface
• Universal System Connector Interface
• Data Services Interface
• Battery Interface (e.g. Dallas)
4. Other
• Supports 13 MHz and 26 MHz Input Clocks
• 1.8V Typical Core Operating Voltages
• 289-Ball Package (12x12mm), 0.65mm Ball pitch
5. The AD6720 baseband transmit section supports the following mobile station GMSK modulation
power classes:
• GSM 900/850 power classes 4 and 5,
• DCS 1800 power classes 1 and 2, and
• PCS 1900 power classes 1 and 2
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes