參數(shù)資料
型號: ZPSD511B1V-C-20L
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): 114/153頁
文件大?。?/td> 1036K
代理商: ZPSD511B1V-C-20L
PSD5XX Famly
111
Conditions
Composite PLD input frequency (Freq PLD)
MCU ALE frequency (Freq ALE)
% EPROM Access
% SRAM access
% I/O access
Operational Modes
% Normal
% Sleep
Number of product terms used
(from fitter report)
% of total product terms
Turbo = off
CMiser = on
8-bit bus mode
= 8 MHz
= 4 MHz
= 80%
= 15%
= 5% (no additional power above base)
= 10%
= 90%
= 45 PT
= 29/118 = 24.6%
Calculation (typical numbers used)
I
CC
total = Isleep x %sleep + %normal x
(
I
CC
(ac) + I
CC
(dc)
)
= Isleep x %sleep + % normal x
(
%EPROM x 0.8 mA/MHz x Freq ALE
+ %SRAM x 1.4 mA/MHz x Freq ALE
+ %PLD x (from graph using Freq PLD)
)
= 10 μA x 0.90 + 0.1 x (0.8 x 0.8 mA/MHz x 4 MHz
+ 0.15 x 1.4 mA/MHz x 4 MHz + 0.95 x 23
= 0.9 μA + 0.1 x (2.56 + 0.84 + 21.85)
= 0.9 μA + 0.1 x 25.3
= 0.9 μA + 2.53 mA
= 2.53 mA
Standby current consumption is handled similarly to sleep mode shown above.
Calculation based on I
OUT
= 0 mA.
13.5 Example of PSD5XX Typical Power Calculation at V
CC
= 5.0 V
Specifications
(cont.)
0
10
20
30
40
50
0
10
15
5
20
25
PT100%
PT25%
COMPOSITE FREQUENCY AT PLD INPUTS (MHz)
I
C
TURBO ON
TURBO ON
TURBOOFF
Figure 51. ZPLDTypical I
CC
/Frequency Consumption (ZPSD5XXV Devices)
(3 V)
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