Atmel AT89C51ID2 Data Sheet - Keil

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Example Read Function This flow is similar for the following frames: Reading Frame EOF Frame/ Atmel Frame (only reading Atmel Frame) Description Figure 56. Read Flow Host Send Read Command OR OR Wait Value of Data COMMAND FINISHED Wait Checksum Error COMMAND ABORTED Wait Security Error COMMAND ABORTED 134 AT89C51ID2 Display data from address 0000h to 0020h HOST : 05 0000 04 0000 0020 00 D7 BOOTLOADER : 05 0000 04 0000 0020 00 D7 BOOTLOADER 0000=-----data------ CR LF (16 data) BOOTLOADER 0010=-----data------ CR LF (16 data) BOOTLOADER 0020=data CR LF ( 1 data) Read Command ’X’ & CR & LF ’L’ & CR & LF ’value’ & ’.’ & CR & LF Send Checksum error Send Security error Bootloader Wait Read Command Checksum error RD_WR_SECURITY Read Value Send Data Read 4289A–8051–09/03
Example 4289A–8051–09/03 Read function (read SBV) HOST : 02 0000 05 07 02 F0 BOOTLOADER : 02 0000 05 07 02 F0 Value . CR LF Atmel Read function (read Bootloader version) HOST : 02 0000 01 02 00 FB BOOTLOADER : 02 0000 01 02 00 FB Value . CR LF AT89C51ID2 135
Page 1 and 2:
Features 80C52 Compatible - 8051 In
Page 3 and 4:
Block Diagram Figure 1. Block Diagr
Page 5 and 6:
Table 2. C51 Core SFRs 4289A-8051-0
Page 7 and 8:
Table 8. PCA SFRs 4289A-8051-09/03
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Table 13. SFR Mapping F8h F0h E8h E
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11 AT89C51ID2 4289A-8051-09/03 50 4
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Table 14. Pin Description (Continue
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Oscillators 4289A-8051-09/03 AT89C5
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4289A-8051-09/03 Table 18. PCON Reg
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4289A-8051-09/03 AT89C51ID2 It is a
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4289A-8051-09/03 - FCLK CPU and FCL
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Figure 5. Mode Switching Waveforms
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4289A-8051-09/03 Table 21. CKCON1 R
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4289A-8051-09/03 Table 22. AUXR1 re
Page 29 and 30:
Expanded RAM (XRAM) Figure 7. Inter
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Registers Table 23. AUXR Register A
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Reset Output 4289A-8051-09/03 AT89C
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Figure 12. Power Fail Detect Vcc 42
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Programmable Clock- Output 4289A-80
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Registers Table 24. T2CON Register
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Programmable Counter Array PCA 4289
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4289A-8051-09/03 Table 26. CMOD Reg
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Figure 16. PCA Interrupt System 428
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4289A-8051-09/03 Table 29. PCA Modu
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4289A-8051-09/03 AT89C51ID2 PCA Cap
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Figure 19. PCA High Speed Output Mo
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4289A-8051-09/03 AT89C51ID2 Serial
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4289A-8051-09/03 AT89C51ID2 The SAD
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Internal Baud Rate Generator (BRG)
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UART Registers Table 40. SADEN Regi
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4289A-8051-09/03 Table 44. T2CON Re
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4289A-8051-09/03 Table 46. BDRCON R
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4289A-8051-09/03 AT89C51ID2 Registe
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4289A-8051-09/03 Table 49. IPL0 Reg
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4289A-8051-09/03 Table 51. IEN1 Reg
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4289A-8051-09/03 Table 54. IPH1 Reg
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Power Management 4289A-8051-09/03 A
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4289A-8051-09/03 AT89C51ID2 pins, t
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AT89C51ID2 Keyboard Interface The A
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4289A-8051-09/03 Table 59. KBE Regi
Page 81 and 82:
4289A-8051-09/03 AT89C51ID2 2-wire
Page 83 and 84: 4289A-8051-09/03 AT89C51ID2 Descrip
Page 85 and 86: 4289A-8051-09/03 AT89C51ID2 When th
Page 87 and 88: Figure 33. Format and State in the
Page 93 and 94: Table 67. Status in Slave Receiver
Page 95 and 96: Table 68. Status in Slave Transmitt
Page 97 and 98: 4289A-8051-09/03 Bit Number 1 SD1 A
Page 99 and 100: Serial Port Interface (SPI) 4289A-8
Page 101 and 102: Functional Description Figure 38 sh
Page 103 and 104: Figure 40. Data Transmission Format
Page 105 and 106: 4289A-8051-09/03 Figure 43. SPI Int
Page 107 and 108: Serial Peripheral DATa register (SP
Page 109 and 110: WDT During Power Down and Idle 4289
Page 111 and 112: 4289A-8051-09/03 AT89C51ID2 Power-o
Page 113 and 114: 4289A-8051-09/03 Figure 44. Recomme
Page 115 and 116: Registers Table 85. EECON Register
Page 117 and 118: 4289A-8051-09/03 AT89C51ID2 Flash M
Page 119 and 120: 4289A-8051-09/03 Table 88. Program
Page 121 and 122: 4289A-8051-09/03 Table 92. Program
Page 123 and 124: Functional Description Figure 48. B
Page 125 and 126: Boot Process Figure 49. Bootloader
Page 127 and 128: Functional Description 4289A-8051-0
Page 129 and 130: Flow Description 4289A-8051-09/03 A
Page 131 and 132: Write / Program Commands This flow
Page 133: Display Data Description Figure 55.
Page 137 and 138: 4289A-8051-09/03 Table 95. ISP Comm
Page 139 and 140: Table 96. API Call Summary (Continu
Page 141 and 142: T A = -40°C to +85°C; V SS = 0V;
Page 143 and 144: External Program Memory Characteris
Page 145 and 146: External Program Memory Read Cycle
Page 147 and 148: External Data Memory Write Cycle 42
Page 149 and 150: AC Testing Input/Output Waveforms F
Page 151 and 152: Ordering Information 4289A-8051-09/
Page 153 and 154: VQFP44 4289A-8051-09/03 AT89C51ID2
Page 155 and 156: PLCC68 4289A-8051-09/03 AT89C51ID2
Page 157 and 158: 4289A-8051-09/03 AT89C51ID2 Pulse W
Page 159: Atmel Corporation Atmel Operations
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Atmel AT89C51ID2 Data Sheet - Keil

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