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AT73C224-A Datasheet(PDF) 11 Page - ATMEL Corporation |
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AT73C224-A Datasheet(HTML) 11 Page - ATMEL Corporation |
11 / 75 page 11 6266A–PMAAC–08-Sep-08 AT73C224 Figure 5-1 illustrates the complete automatic start-up sequence of the AT73C224-A and AT73C224-F, whereas Figure 5-2 illustrates the automatic start-up sequence of the other AT73C224-x device versions. Figure 5-1. Start up Sequence of the AT73C224-A and AT73C224-F 3ms BOOST1 User Command: . AT73C224-A: Through Dynamic mode (using TWI or SPI) . AT73C224-F: Through Static mode (using D1 pin) 45ms typ 3ms 3ms EN (Wake-up of the system) (Pushbutton) VINT (internal supply) PWRGDINT (internal- Vth = 1.6V) POK -> uP (Start-up sequence completed) VMON (internal Vth = 2.8V) POR (internal Vth = 1.6V) VBAT 36 ms typ. VBG 30 ms min Automatic Start-up Sequence: BUCK2 (Default value: 1.8V) LDO4 (Default value: 2.8V) LDO3 (Default value: 2.7V) |
Similar Part No. - AT73C224-A_14 |
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Similar Description - AT73C224-A_14 |
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