MT7697D datasheet(40/84 Pages) ETC2

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MT7697D

Internet-of-Things Wireless Connectivity

Page 40 of 84

This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).

Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.

Function-[9:1]-AON and Function-[9:0] can all be output to PINX by setting pinx_pinmux_aon_sel and

pinx_pinmux_off_sel, as shown in Figure 2-12 below. Function-[9:1]-AON signals are part of

TOP_AON domain and Function-[9:0] signals are part of TOP_OFF (N9) domain. The output of the

pad is enabled through E and G pad controls which require 2’b11 for digital output mode.

For a specific pin there could be only a limited number of functions available, these functions are

mapped anywhere to the different inputs of the muxes (not always in an incremental scheme).

TOP_AON domain means the circuit is always powered on when PMU supplies the power. TOP_OFF

(N9) domain means the N9 related circuit is powered off in some scenarios when PMU supplies the

power.

AIO_ANALOG_DONT_TOUCH

Logic 1

->Switch on

pinx_pinmux_aon_sel

pinx_pinmux_off_sel

Function 0 (O)

Function 1 AON (O)

PAD_PINX

Function 1 (O)

Function 2 (O)

Function 9 (O)

Function 2 AON (O)

PINX

1'b1

TOP_OFF(N9) domain

TOP_AON domain

ISO

Function 9 AON (O)

Figure 2-12. AGPIO Configured as Output Multiplexing

Input Signal Multiplexing

Figure 2-13 below shows that PINX is the source of Function-AON-0, while PINX and PINY can both

be the input source for Function-1. The (E, G) setting for both IO is 2’b01 for digital input mode.

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