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參數(shù)資料
| 型號： | PSD211RL |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Low Cost Field Programmable Microcontroller Peripherals |
| 中文描述： | 低成本現(xiàn)場可編程微控制器外圍設(shè)備 |
| 文件頁數(shù)： | 30/51頁 |
| 文件大?。?/td> | 348K |
| 代理商： | PSD211RL |
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PSD211R Famly
27
17.0
Calculating
Power
Conditions
Part Used
MCU ALE Clock Frequency
Composite ZPLD input Frequency
% EPROM Access
% I/O access
% Time CSI is high (standby mode)
% Time CSI is low (normal operation mode) = 10%
# Product terms used (see previous section) = 10
Turbo bit
CMiser bit
MCU Bus Configuration
= ZPSD211R (V
CC
= 5.0 V)
= 2.0 MHz
= 8.0 MHz (see example in above section)
= 80%
= 20%
= 90%
= OFF (Turbo Mode disabled)
= ON
= 8-bit multiplexed bus mode
Calculation (Based on Typical AC and DC Currents)
I
CC
total = Istandby x % time CSI is high +
[
I
CC
(AC) + I
CC
(DC)
]
x % time CSI is low.
= Istandby x % time CSI is high +
[
%EPROM Access x 0.8 mA/MHz x Freq. ALE
+ ZPLD AC current (Figure 13: 10 PTs, 8 MHz, Non-Turbo)
]
x % time CSI is low.
= 10 μA x 0.9 + (0.8 x 0.8 mA/MHz x 2 MHz + 5.0 mA) x 0.1
= 9.0 μA + (1.28 mA + 5.0 mA) x 0.1
= 637 μA, based on the system operating in standby 90% of the time
Once you have read the “Power Management” section, you should be able to calculate
power. The following is a sample power calculation:
NOTES:
1. Calculation is based on the assumption that Iout = 0 mA (no I/O pin loading).
2. I
CC
(DC) is zero for all ZPSD devices operating in non-turbo mode.
3. 10 product terms: 8 for EPROM, 1 for CSIOPORT, 1 for CS8
4. The 5% I/O access in the conditions section is when the MCU accesses CSIOPORT space.
5. Standby Mode can also be achieved without using the CSI pin. The ZPSD device will automatically
go into Standby while no inputs are changing on any pin, and Turbo Mode is disabled.
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD211RM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD211RN | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD2-120 | 制造商:Tamura Corporation of America 功能描述: |
| PSD2-16 | 制造商:Tamura Corporation of America 功能描述: |
| PSD2-20 | 制造商:Tamura Corporation of America 功能描述: |
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