Epson technical manual Conditions, S1D13705 Total Power Consumption

Page 4	Epson Research and Development
	Vancouver Design Center

1.1 Conditions

Table 1-1: “S1D13705 Total Power Consumption” below gives an example of a specific environment and its effects on power consumption.

Table 1-1: S1D13705 Total Power Consumption

	Test Condition			Power Consumption
		Gray Shades /
	Core VDD = 3.3V, IO VDD = 3.3V			Active		Power Save Mode
		Colors
	BUSCLK = 8.33MHz
			Core	IO	Total	Software	Hardware
	Input Clock = 6MHz	Black-and-White	4.29mW	0.52mW	4.81mW	1.44mW1	1.21mW2
1	LCD Panel = 320x240 4-bit Single	4 Gray Shades	4.99mW	0.76mW	5.75mW
	Monochrome	16 Gray Shades	6.13mW	0.75mW	6.88mW
		2 Colors	4.64mW	0.73mW	5.37mW
2	Input Clock = 6MHz	4 Colors	5.30mW	1.51mW	6.81mW	1.44mW1	1.22mW2
		16 Colors	6.58mW	1.57mW	8.15mW
	LCD Panel = 320x240 4-bit Single Color
		256 Colors	8.65mW	1.52mW	10.16mW
	Input Clock = 25MHz	Black-and-White	13.97mW	1.10mW	15.07mW	2.53mW1	2.32mW2
3	LCD Panel = 640x480 8-bit Single
		4 Gray Shades	16.75mW	2.08mW	18.83mW
	Monochrome
4	Input Clock = 25MHz	2 Colors	15.53mW	2.64mW	18.17mW	2.53mW1	2.32mW2
	LCD Panel = 640x480 8-bit Single Color	4 Colors	18.30mW	7.16mW	25.47mW
	Input Clock = 25MHz	Black-and-White	13.84mW	1.08mW	14.93mW	2.53mW1	2.32mW2
5	LCD Panel = 640x480 8-bit Dual
		4 Grey Shades	20.38mW	2.07mW	22.45mW
	Monochrome
	Input Clock = 25MHz	2 Colors	15.82mW	2.62mW	18.44mW	2.53mW1	2.32mW2
6	LCD Panel = 640x480 8-bit Dual Color
		4 Colors	23.31mW	7.01mW	30.32mW
	Input Clock = 25MHz	2 Colors	11.42mW	7.40mW	18.82mW	2.53mW1	2.32mW2
7	LCD Panel = 640x480 9-bit TFT
		4 Colors	19.74mW	20.96mW	40.70mW

Note

1.Conditions for Software Power Save:

•CPU interface active (signals toggling)

•CLKI active

2.Conditions for Hardware Power Save:

•CPU interface inactive (high impedance)

•CLKI active

S1D13705	Power Consumption
X27A-G-006-02	Issue Date: 01/02/13