4 current consumption – Epson S1C33210 User Manual

Page 85

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8 ELECTRICAL CHARACTERISTICS

S1C33210 PRODUCT PART

EPSON

A-71

8.4 Current Consumption

(Unless otherwise specified: V

DD

=2.7V to 3.6V, V

SS

=0V, Ta=-40

°

C to +85

°

C)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

∗

Operating current

I

DD1

When CPU is operating

20MHz

–

27

37

mA

1

33MHz

–

48

64

50MHz

–

64

90

I

DD2

HALT mode

20MHz

–

16

20

mA

2

33MHz

–

28

37

50MHz

–

37

55

I

DD3

HALT2 mode

20MHz

–

6

10

mA

3

33MHz

–

9

15

50MHz

–

13

20

I

DD4

SLEEP mode

–

1

30

µ

A

4

Clock timer operating current

I

DDCT

When clock timer only is operating
OSC1 oscillation: 32kHz

–

7

–

µ

A

5

Analog power current

(Unless otherwise specified: V

SS

=0V, Ta=-40

°

C to +85

°

C)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

∗

A/D converter operating current

AI

DD1

V

DD

=AV

DD

=2.7V to 3.6V

–

500

800

µ

A

6

Current consumption measurement condition: V

IH

=V

DD

, V

IL

=0V, output pins are open.

∗

note)

No.

OSC3

OSC1

CPU

Clock timer

Other peripheral circuits

1

On

Off

Normal operation

∗

1

Stop

Stop

2

On

Off

HALT mode

Stop

Stop

3

On

Off

HALT2 mode

Stop

Stop

4

Off

Off

SLEEP mode

Stop

Stop

5

Off

On

HALT mode

Run

Stop

6

On

Off

HALT mode

Stop

A/D converter only operated,

conversion clock frequency=2MHz

∗

1: The values of current consumption while the CPU is operating were measured when a test program that

consists of 55% load instructions, 23% arithmetic operation instructions, 1% mac instruction, 12% branch

instructions and 9% ext instruction is being executed in the built-in ROM continuously.

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