Espressif ESP32 Technical Reference Manual page 736

Revision History
Date Version Release notes
Updated the following chapters:
2022.12 v4.8
2022.08 v4.7
Espressif Systems
Cont'd from previous page
• Updated section 3.2.4.2, added register summary and description section in Chap-
ter 3 Reset and Clock
• Updated the description of
Media Access Controller (MAC)
• Added
the descriptions
UART_MEM_RX_STATUS_REG
• Updated some clock names in Chapter
• Updated Table
29-2 in Chapter
• Updated some clock names in Chapter
and added description of
• Renamed the RTC8M_CLK clock RC_FAST_CLK in Chapter
• Added clarification about relative address in the Registers sections of all chapters
• Updated Table
1-6 in Chapter
• Updated Chapter
4 IO_MUX and GPIO Matrix (GPIO,
– Updated the description in Section
– Updated the description of GPIO_PINn_INT_ENA and IO_MUX_PIN_CTRL
• Added a note about in_link descriptor in Section
(DMA)
• Updated clock names:
– RTC8M_CLK: renamed as RC_FAST_CLK
– RTC8M_D256_CLK: renamed as RC_FAST_DIV_CLK
– RTC_CLK: renamed as RC_SLOW_CLK
– SLOW_CLK: renamed as RTC_SLOW_CLK
– FAST_CLK: renamed as RTC_FAST_CLK
• Updated the description below Figure
(PCNT)
• Updated Section
18.3
• Added two notes in Chapter
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MIICSRCLK and MIIBUSY
of the UART_MEM_TX_STATUS_REG
registers in Chapter
25 Random Number Generator (RNG)
29 On-Chip Sensors and Analog Signal Processing
31 Low-Power Management
RTC_CNTL_MAIN_STATE_IN_IDLE
1 System and Memory
4.2.2
17-2 in Chapter
in Chapter 18 Timer Group (TIMG)
29 On-Chip Sensors and Analog Signal Processing
736
field in Chapter 10 Ethernet
13 UART Controller (UART)
(RTC_CNTL),
20 eFuse Controller
IO_MUX):
6.4 in Chapter 6 DMA Controller
17 Pulse Count Controller
Cont'd on next page
ESP32 TRM (Version 5.2)
and