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參數(shù)資料
| 型號： | EVAL-ADF4113HVEB1Z |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR ADF4113HV |
| 標準包裝： | 1 |
| 主要目的： | 計時，頻率合成器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADF4113HV |
| 主要屬性： | 單路整數(shù)-N PLL |
| 次要屬性： | 4GHz 高壓充電泵 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | ADF4113BCPZ-ND - IC PLL FREQ SYNTHESIZER 20-LFCSP ADF4113BCPZ-RL7-ND - IC PLL FREQ SYNTHESIZER 20-LFCSP ADF4113BCPZ-RL-ND - IC PLL FREQ SYNTHESIZER 20-LFCSP ADF4113HVBRUZ-RL7-ND - IC CHARGE PUMP HV SYNTH 16-TSSOP ADF4113HVBRUZ-RL-ND - IC CHARGE PUMP HV SYNTH 16-TSSOP ADF4113HVBCPZ-RL7-ND - IC CHARGE PUMP HV SYNTH 20-LFCSP ADF4113HVBCPZ-RL-ND - IC CHARGE PUMP HV SYNTH 20-LFCSP ADF4113HVBRUZ-ND - IC CHARGE PUMP HV SYNTH 16-TSSOP ADF4113HVBCPZ-ND - IC CHARGE PUMP HV SYNTH 20-LFCSP ADF4113BRUZ-REEL7TR-ND - IC SYNTHESZR FREQ PLL RF 16TSSOP 更多... |
ADF4113HV
Data Sheet
Rev. B | Page 14 of 20
DEVICE PROGRAMMING AFTER INITIAL
POWER-UP
After initial power-up of the device, there are two ways to
program the device.
CE Pin Method
1. Apply VDD.
2. Bring CE low to put the device into power-down. This is an
asynchronous power-down in that it happens immediately.
3. Program the function latch (10). Program the R counter
latch (00). Program the AB counter latch (01).
4. Bring CE high to take the device out of power-down. The R
and AB counters resume counting in close alignment.
After CE goes high, a duration of 1 s is sometimes required for
the prescaler band gap voltage and oscillator input buffer bias to
reach steady state.
CE can be used to power the device up and down to check for
channel activity. The input register does not need to be repro-
grammed each time the device is disabled and enabled as long
as it has been programmed at least once after VDD was initially
applied.
Counter Reset Method
1. Apply VDD.
2. Conduct a function latch load (10 in 2 LSBs). As part of
this, load 1 to the F1 bit. This enables the counter reset.
3. Conduct an R counter load (00 in 2 LSBs).
4. Conduct an AB counter load (01 in 2 LSBs).
5. Conduct a function latch load (10 in 2 LSBs). As part of
this, load 0 to the F1 bit. This disables the counter reset.
This sequence provides the same close alignment as the initiali-
zation method. It offers direct control over the internal reset.
Note that counter reset holds the counters at load point and
three-states the charge pump, but does not trigger synchronous
power-down.
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