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| 型號(hào)： | 71M6531F-IMR/F |
| 廠商： | TERIDIAN SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 封裝： | LEAD FREE, QFN-68 |
| 文件頁(yè)數(shù)： | 72/120頁(yè) |
| 文件大?。?/td> | 2477K |
| 代理商： | 71M6531F-IMR/F |
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FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
v1.3
2005-2010 TERIDIAN Semiconductor Corporation
55
2.2
System Timing Summary
Figure 19 summarizes the timing relationships between the input MUX states, the CE_BUSY signal and
the two serial output streams. In this example, MUX_DIV[3:0] = 4 and FIR_LEN[1:0] = 2 (384 CE cycles,
3 CK32 cycles per conversion), resulting in 13 CK32 cycles per multiplexer frame. Generally, the duration
of each MUX frame is:
1 + MUX_DIV * 1, if FIR_LEN[1:0] = 0 (138 CE cycles)
1 + MUX_DIV * 2, if FIR_LEN[1:0] = 1 (288 CE cycles)
1 + MUX_DIV * 3, if FIR_LEN[1:0] = 2 (384 CE cycles).
An ADC conversion will always consume an integer number of CK32 clocks. Following this is a single
CK32 cycle where the bandgap voltage is allowed to recover from the change in CROSS.
Figure 19: Timing Relationship between ADC MUX, Compute Engine
Each CE program pass begins when the ADC0 conversion (for IA) begins. Depending on the length of
the CE program, it may continue running until the end of the last conversion (ADC3). CE opcodes are
constructed to ensure that all CE code passes consume exactly the same number of cycles. The result of
each ADC conversion is inserted into the RAM when the conversion is complete. The CE code is written
to tolerate sudden changes in ADC data. The exact clock count when each ADC value is loaded into
RAM is shown in Figure 19.
Figure 20 shows that the serial data stream, RTM, begins transmitting at the beginning of state S. RTM,
consisting of 140 CK cycles, will always finish before the next code pass starts.
FLAG
RTM DATA 0 (32 bits)
0
1
0
1
0
1
0
1
FLAG
CK32
MUX_SYNC
CKTEST
TMUXOUT/RTM
LSB
SIGN
LSB
SIGN
30
31
30
31
30
31
30
31
LSB
SIGN
RTM DATA 1 (32 bits)
RTM DATA 2 (32 bits)
RTM DATA 3 (32 bits)
Figure 20: RTM Output Format
CK32
MUX STATE
0
MUX_DIV=4 (4 conversions) is shown
Settle
ADC MUX Frame
ADC EXECUTION
S
MUX_SYNC
S
CE_EXECUTION
MAX CK COUNT
0
450
150
900
1350
1800
ADC0
ADC1
ADC2
ADC3
CK COUNT = CE_CYCLES + floor((CE_CYCLES + 2) / 5)
NOTES:
1. ALL DIMENSIONS ARE 5MHZ CK COUNTS.
2. THE PRECISE FREQUENCY OF CK IS 150*CRYSTAL FREQUENCY = 4.9152MHz.
3. XFER_BUSY OCCURS ONCE EVERY (PRE_SAMPS * SUM_CYCLES) CODE PASSES.
CE_BUSY
XFER_BUSY
INITIATED BY A CE OPCODE AT END OF SUMMATION INTERVAL
ADC TIMING
CE TIMING
1
2
3
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| 71M6531F-MR/F/PE2 | 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
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| 71M6531F-MR/F/PE4 | 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531F-MR/F/PE5 | 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531-IMTR | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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