Espressif ESP32 Technical Reference Manual page 136

7 SPI Controller (SPI)
Name
SPI_W2_REG
SPI_W3_REG
SPI_W4_REG
SPI_W5_REG
SPI_W6_REG
SPI_W7_REG
SPI_W8_REG
SPI_W9_REG
SPI_W10_REG
SPI_W11_REG
SPI_W12_REG
SPI_W13_REG
SPI_W14_REG
SPI_W15_REG
DMA configuration registers
SPI_DMA_CONF_REG
SPI_DMA_OUT_LINK_REG
SPI_DMA_IN_LINK_REG
SPI_DMA_STATUS_REG
SPI_IN_ERR_EOF_DES_ADDR_REG
SPI_IN_SUC_EOF_DES_ADDR_REG
SPI_INLINK_DSCR_REG
SPI_INLINK_DSCR_BF0_REG
SPI_INLINK_DSCR_BF1_REG
SPI_OUT_EOF_BFR_DES_ADDR_REG
SPI_OUT_EOF_DES_ADDR_REG
SPI_OUTLINK_DSCR_REG
SPI_OUTLINK_DSCR_BF0_REG
SPI_OUTLINK_DSCR_BF1_REG
Espressif Systems
Description
SPI data register 2
SPI data register 3
SPI data register 4
SPI data register 5
SPI data register 6
SPI data register 7
SPI data register 8
SPI data register 9
SPI data register 10
SPI data register 11
SPI data register 12
SPI data register 13
SPI data register 14
SPI data register 15
DMA configuration
register
DMA outlink address
and configuration
DMA inlink address
and configuration
DMA status
Descriptor address
where an error
occurs
Descriptor address
where EOF occurs
Current descriptor
pointer
Next descriptor data
pointer
Current descriptor
data pointer
Relative buffer ad-
dress where EOF oc-
curs
Descriptor address
where EOF occurs
Current descriptor
pointer
Next descriptor data
pointer
Current descriptor
data pointer
136
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SPI0 SPI1 SPI2
3FF43088 3FF42088 3FF64088 3FF65088 R/W
3FF4308C 3FF4208C 3FF6408C 3FF6508C R/W
3FF43090 3FF42090 3FF64090 3FF65090 R/W
3FF43094 3FF42094 3FF64094 3FF65094 R/W
3FF43098 3FF42098 3FF64098 3FF65098 R/W
3FF4309C 3FF4209C 3FF6409C 3FF6509C R/W
3FF430A0 3FF420A0 3FF640A0 3FF650A0 R/W
3FF430A4 3FF420A4 3FF640A4 3FF650A4 R/W
3FF430A8 3FF420A8 3FF640A8 3FF650A8 R/W
3FF430AC 3FF420AC 3FF640AC 3FF650AC R/W
3FF430B0 3FF420B0 3FF640B0 3FF650B0 R/W
3FF430B4 3FF420B4 3FF640B4 3FF650B4 R/W
3FF430B8 3FF420B8 3FF640B8 3FF650B8 R/W
3FF430BC 3FF420BC 3FF640BC 3FF650BC R/W
3FF43100 3FF42100 3FF64100 3FF65100 R/W
3FF43104 3FF42104 3FF64104 3FF65104 R/W
3FF43108 3FF42108 3FF64108 3FF65108 R/W
3FF4310C 3FF4210C 3FF6410C 3FF6510C RO
3FF43120 3FF42120 3FF64120 3FF65120 RO
3FF43124 3FF42124 3FF64124 3FF65124 RO
3FF43128 3FF42128 3FF64128 3FF65128 RO
3FF4312C 3FF4212C 3FF6412C 3FF6512C RO
3FF43130 3FF42130 3FF64130 3FF65130 RO
3FF43134 3FF42134 3FF64134 3FF65134 RO
3FF43138 3FF42138 3FF64138 3FF65138 RO
3FF4313C 3FF4213C 3FF6413C 3FF6513C RO
3FF43140 3FF42140 3FF64140 3FF65140 RO
3FF43144 3FF42144 3FF64144 3FF65144 RO
ESP32 TRM (Version 5.2)
SPI3 Acc