PSD4235G2V-10U STMICROELECTRONICS [STMicroelectronics], PSD4235G2V-10U Datasheet - Page 79
PSD4235G2V-10U
Manufacturer Part Number
PSD4235G2V-10U
Description
Flash In-System Programmable (ISP) Peripherals for 16-bit MCUs
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.PSD4235G2V-10U.pdf
(100 pages)
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Table 54. Example of PSD Typical Power Calculation at V
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Highest Composite PLD input frequency
MCU ALE frequency (Freq ALE)
Operational Modes
Number of product terms used
Turbo Mode
I
This is the operating power with no Flash memory Program or Erase cycles in progress. Calculation is based on I
= 0 mA.
CC
total
(Freq PLD)
% Flash memory
Access
% SRAM access
% I/O access
% Normal
% Power-down Mode
(from fitter report)
% of total product terms
Calculation (using typical values)
= 80%
= Off
= 8 MHz
= 4 MHz
= 15%
= 5% (no additional power above base)
= 10%
= 90%
= 54 PT
= 54/217 = 25%
= Ipwrdown x %pwrdown + %normal x (I
= Ipwrdown x %pwrdown + % normal x (%flash x 1.2 mA/MHz x Freq ALE
= 50 µA x 0.90 + 0.1 x (0.8 x 1.2 mA/MHz x 4 MHz
= 45 µA + 0.1 x (3.84 + 0.48 + 15)
= 45 µA + 0.1 x 18.84
= 45 µA + 1.94 mA
= 1.98 mA
Conditions
+ %SRAM x 0.8 mA/MHz x Freq ALE
+ % PLD x (from graph using Freq PLD))
+ 0.15 x 0.8 mA/MHz x 4 MHz
+ 15 mA)
CC
= 3.0V (with Turbo Mode Off)
CC
(ac) + I
CC
(dc))
PSD4256G6V
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