8 ELECTRICAL CHARACTERISTICS
8.4 Current Consumption
1) 3.3 V power source
(Unless otherwise specified: VDDE=2.7V to 5.5V, VDD=2.7V to 3.6V, VSS=0V,
Item | Symbol | Condition |
| Min. | Typ. | Max. | Unit | ∗ |
Operating current | IDD1 | When CPU is operating | 20MHz | – | 27 | 35 | mA | 1 |
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| 33MHz | – | 45 | 60 |
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| 50MHz | – | 65 | 85 |
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| IDD2 | HALT mode | 20MHz | – | 13 | 16 | mA | 2 |
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| 33MHz | – | 22 | 30 |
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| 50MHz | – | 30 | 40 |
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| IDD3 | HALT2 mode | 20MHz | – | 6 | 8 | mA | 3 |
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| 33MHz | – | 9 | 12 |
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| 50MHz | – | 14 | 18 |
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| IDD4 | SLEEP mode |
| – | 1 | 30 | µA | 4 |
Clock timer operating current | IDDCT | When clock timer only is operating | – | 7 | – | µA | 5 | |
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| OSC1 oscillation: 32kHz |
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2) 2.0 V power source
(Unless otherwise specified: VDDE=VDD=2.0V±0.2V, VSS=0V,
Item | Symbol | Condition |
| Min. | Typ. | Max. | Unit | ∗ |
Operating current | IDD1 | When CPU is operating | 20MHz | – | 14 | 18 | mA | 1 |
| IDD2 | HALT mode | 20MHz | – | 7 | 10 | mA | 2 |
| IDD3 | HALT2 mode | 20MHz | – | 2.5 | 4 | mA | 3 |
| IDD4 | SLEEP mode |
| – | 1 | 30 | µA | 4 |
Clock timer operating current | IDDCT | When clock timer only is operating | – | 1.5 | – | µA | 5 | |
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| OSC1 oscillation: 32kHz |
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3) Analog power current
(Unless otherwise specified: VSS=0V,
Item | Symbol | Condition | Min. | Typ. | Max. | Unit | ∗ |
A/D converter operating current | AIDD1 | VDD=3.6V, VDDE=AVDDE=5.0V±0.5V | – | 800 | 1400 | µA | 6 |
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| VDD=VDDE=AVDDE=2.7V to 3.6V | – | 500 | 800 |
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4) LCD controller operating current
(Unless otherwise specified: VDDE=2.7V to 5.5V, VDD=2.7V to 3.6V, VSS=0V,
Item | Symbol | Condition |
| Min. | Typ. | Max. | Unit | ∗ |
LCD controller operating current | LIDD1 | Display resolution = 320 ⋅ | 240, 1bpp | – | 6.5 | 7 | mA |
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| LCDC CLK = 25MHz |
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| (VRAM = SRAM) |
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| LIDD2 | Display resolution = 320 ⋅ | 240, 1bpp | – | 12 | 13 | mA |
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| LCDC CLK = 25MHz |
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| (VRAM = SDRAM) |
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Current consumption measurement condition: VIH=VDD, VIL=0V, output pins are open, VDDE current is not included
∗ note) | No. | OSC3 | OSC1 | CPU | Clock timer | Other peripheral circuits ∗ 2 |
| 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
∗2:The LCD controller is included.
S1C33L03 PRODUCT PART | EPSON |