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DS28CZ04G-4+T Datasheet(PDF) 8 Page - Maxim Integrated Products |
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DS28CZ04G-4+T Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 22 page DS28CZ04: 4kbit I²C/SMBus EEPROM with Nonvolatile PIO 8 of 22 PIO Read-Inversion and Output Type (Device Address = A0h) ADDR b7 b6 b5 b4 b3 b2 b1 b0 7Bh OT3 OT2 OT1 OT0 IMSK3 IMSK2 IMSK1 IMSK0 There is general read and write access to this address. The power-on default is copied from memory address 77h (Device Address = A0h). BIT DESCRIPTION BIT(S) DEFINITION IMSK0: Read-inversion control of PIO0 b0 0 ⇒ no inversion, 1 ⇒ data read from PIO0 is inverted IMSK1: Read-inversion control of PIO1 b1 0 ⇒ no inversion, 1 ⇒ data read from PIO1 is inverted IMSK2: Read-inversion control of PIO2 b2 0 ⇒ no inversion, 1 ⇒ data read from PIO2 is inverted IMSK3: Read-inversion control of PIO3 b3 0 ⇒ no inversion, 1 ⇒ data read from PIO3 is inverted OT0: Output Type of PIO0 b4 0: ⇒ Push-Pull, 1 ⇒ Open Drain OT1: Output Type of PIO1 b5 0: ⇒ Push-Pull, 1 ⇒ Open Drain OT2: Output Type of PIO2 b6 0: ⇒ Push-Pull, 1 ⇒ Open Drain OT3: Output Type of PIO3 b7 0: ⇒ Push-Pull, 1 ⇒ Open Drain PIO Read/Write Access Registers (Device Address = A0h) ADDR b7 b6 b5 b4 b3 b2 b1 b0 PIO Address Mode IV3 IV2 IV1 IV0 OV3 OV2 OV1 OV0 Single 7Ch 1 1 1 IV0 1 1 1 OV0 Multi 00h (no function) Single 7Dh 1 1 1 IV1 1 1 1 OV1 Multi 00h (no function) Single 7Eh 1 1 1 IV2 1 1 1 OV2 Multi 00h (no function) Single 7Fh 1 1 1 IV3 1 1 1 OV3 Multi There is general read and write access to these registers. Bits shown as 1 have no function; their state cannot be changed. |
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