MT7697D datasheet(34/84 Pages) ETC2

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MT7697D

Internet-of-Things Wireless Connectivity

Page 34 of 84

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Table 2-15. CM4 Memory Map

Start address

End address

Function

Power Domain

Software Clock

gating control

Description

0x0000_0000

0x0000_FFFF

TCM ROM

CM4_OFF

Tightly Coupled

ROM for CM4

0x0010_0000

0x0010_FFFF

TCM RAM0

CM4_OFF

Tightly Coupled

RAM for CM4

(64KB)

0x0011_0000

0x0011_1FFF

TCM RAM1

CM4_OFF

Tightly Coupled

RAM for CM4 (8KB)

0x0011_2000

0x0011_3FFF

TCM RAM2

CM4_OFF

Tightly Coupled

RAM for CM4 (8KB)

0x0011_4000

0x0011_5FFF

TCM RAM3

CM4_OFF

Tightly Coupled

RAM for CM4 (8KB)

0x0011_6000

0x0011_7FFF

TCM RAM4

CM4_OFF

Tightly Coupled

RAM for CM4 (8KB)

0x1000_0000

0x1FFF_FFFF

Serial Flash CM4

CM4_OFF

Serial flash of CM4

0x2000_0000

0x2003_FFFF

SYSRAM_CM4

CM4_OFF

System RAM for

CM4, 256Kbytes

0x2100_0000

0x2100_FFFF

SPI-S

CM4_OFF

0x8300_0200[21]

SPI slave

0x2200_0000

0x2200_FFFF

I2S/Audio

CM4_OFF

0x8300_0200[14]

I2S

0x2400_0000

0x2400_FFFF

SPI-M

CM4_OFF

0x8300_0200[22]

SPI master

0x2500_0000

0x2500_CFFF

SYSRAM_N9

TOP_OFF(N9)

System RAM for N9,

52Kbytes

0x3000_0000

0x3FFF_FFFF

Serial Flash CM4

CM4_OFF

Serial flash of CM4

through system bus

0x5000_0000

0x501F_FFFF

HIF_device

TOP_OFF(N9)

Host interface

device controller

0x5020_0000

0x502F_FFFF

HIF_host_CM4

TOP_AON

Host interface host

controller of Wi-Fi

radio

0x5040_0000

0x5FFF_FFFF

(Undefined)

0x6000_0000

0x6FFF_FFFF

WIFISYS

TOP_OFF(N9)

0x8000_0100[5]

Wi-Fi subsystem

0x7000_0000

0x70FF_FFFF

PDA DMA port

Patch Decryption

Accelerator DMA

slave

0x7800_0000

0x7800_FFFF

VFF access port

TOP_OFF(N9)

Virtual FIFO access

ports of N9 DMA

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