RM0385 Datasheet, PDF (1580/1644 Pages) STMicroelectronics – This reference manual targets application developers

Ethernet (ETH): media access control (MAC) with DMA controller
RM0385
The current host receive buffer address register points to the current receive buffer address
being read by the DMA.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
HRBAP
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Bits 31:0 HRBAP: Host receive buffer address pointer
Cleared On Reset. Pointer updated by DMA during operation.
38.8.5
Ethernet register maps
Table 245 gives the ETH register map and reset values.
Off-
set
Register
Table 245. Ethernet register map and reset values
0x00
ETH_MACCR
Reset value
0
00
IFG
0000
000000
0 0 0 000
ETH_MACFFR RA
0x04
Reset value 0
0000 0 0 00000
ETH_MACHTHR
HTH[31:0]
0x08
Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ETH_MACHTLR
HTL[31:0]
0x0C
Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ETH_MACMIIAR
0x10
Reset value
PA
MR
M
W
MB
000000000 0 0 00000
ETH_MACMIIDR
0x14
Reset value
MD
000000000 0 0 00000
ETH_MACFCR
PT
0x18
Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PLT
0
000000
ETH_MACVLANT
0x1C
R
Reset value
ETH_MACRWUF
0x28
FR
Reset value
VLANTI
0000000000 0 0 00000
Frame filter reg0\Frame filter reg1\Frame filter reg2\Frame filter reg3\Frame filter reg4\...\Frame filter reg7
0
0x2C
ETH_MACPMTC
SR
Reset value 0
0
00
000
ETH_MACDBGR
0x34
Reset value
00
0000000
00
000
000
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