MT7697DIN datasheet(18/84 Pages) ETC2

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MT7697D

Internet-of-Things Wireless Connectivity

Page 18 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.

The options of clock rate for MCU are listed below.

Table 2-6. Cortex-M4 Clock Rate

Reference Clock

(MHz)

MCU Clock

(MHz, XTAL mode)

MCU Clock

(MHz, PLL mode)

30, 32, 40, 48, 60, 80,

96, 120, 160, 192.

Table 2-7. N9 Clock Rate

Reference Clock (MHz)

MCU Clock

(MHz, XTAL mode)

MCU Clock

(MHz, PLL mode)

30, 32, 40, 48, 60, 80,

96, 120, 160, 192.

Table 2-8. Peripheral Clock Rate

Peripheral Clock Rate

Support SPEC

PWM

XTAL clock with DIV13 (Default)

200Hz at minimum.

XTAL clock

F32K clock

UART

XTAL clock with DIV

9.6, 19.2, 38.4, 115.2K

I2C

XTAL clock with DIV

50, 100, 200, 400KHz

SPI

XTAL clock with DIV (Default)

4, 6, 8, 10, 12MHz

Flash

XTAL clock with DIV (Default)

64MHz.

BT_DIG_CLK (64MHz) with DIV

CM4 clock with DIV

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