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CS49400 Datasheet(PDF) 97 Page - Cirrus Logic |
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CS49400 Datasheet(HTML) 97 Page - Cirrus Logic |
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97 / 100 page  97 NV_WE,GPIO16 — SRAM Write Enable, General Purpose I/O SRAM/Flash write enable. This pin can act as a general-purpose input or output that can be individually configured and controlled by DSPC. BIDIRECTIONAL - Default: OUTPUT UHS2, CS_OUT, GPIO17 — Mode Select Bit 2, External Serial Memory Chip Select, General Purpose I/O DSPC control port mode select bit 2. This pin is sampled at the rising edge of RESET and is one of three pins used to select the control port mode. In serial control port mode, this pin can serve as an output to provide the chip-select for a serial EEPROM. This pin can act as a general-purpose input or output that can be individually configured and controlled by DSPC. BIDIRECTIONAL - Default: INPUT UHS0, GPIO18 — Mode Select Bit 0, General Purpose I/O DSPC control port mode select bit 0. This pin is sampled at the rising edge of RESET and is one of three pins used to select the control port mode. This pin can act as a general-purpose input or output that can be individually configured and controlled by DSPC. BIDIRECTIONAL - Default: INPUT UHS1, GPIO19 — Mode Select Bit 1, General Purpose I/O DSPC control port mode select bit 1. This pin is sampled at the rising edge of RESET and is one of three pins used to select the control port mode. This pin can act as a general-purpose input or output that can be individually configured and controlled by DSPC. BIDIRECTIONAL - Default: INPUT GPIO20 — General Purpose I/O This pin can act as a general-purpose input or output that can be individually configured and controlled by DSPC. This pin has an internal pull-up. BIDIRECTIONAL - Default: INPUT GPIO21 — General Purpose I/O This pin can act as a general-purpose input or output that can be individually configured and controlled by DSPC.This pin has an internal pull-up. BIDIRECTIONAL - Default: INPUT VDD[7:1] — 2.5V Supply Voltage 2.5V supply voltage. VSS — 2.5V Ground 2.5V ground. |
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