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EFM32WG Datasheet, PDF (211/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.
Bit
Name
Value
0
1
2
3
Mode
D8A8
Reset
D16A16ALE
D8A24ALE
D16
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Access Description
Description
EBI_AD drives 8 bit data, 8 bit address, ALE not used. Extended address bits can be
enabled on EBI_A in the EBI_ROUTE register.
EBI_AD drives 16 bit data, 16 bit address, ALE is used for address latching. Extended
address bits can be enabled on EBI_A in the EBI_ROUTE register.
EBI_AD drives 8 bit data, 24 bit address, ALE is used for address latching. Extended
address bits can be enabled on EBI_A in the EBI_ROUTE register.
EBI_AD drives 16 bit data, ALE not used. Extended address bits can be enabled on
EBI_A in the EBI_ROUTE register.
14.5.2 EBI_ADDRTIMING - Address Timing Register
Offset
0x004
Reset
Access
Bit Position
Name
Bit
31:29
28
27:10
9:8
7:2
1:0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
HALFALE
0
RW
Half Cycle ALE Strobe Duration Enable
Enables or disables half cycle duration of the ALE strobe in the last ADDRSETUP cycle.
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
ADDRHOLD
0x3
RW
Address Hold Time
Sets the number of cycles the address is held after ALE is asserted.
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
ADDRSETUP
0x3
RW
Address Setup Time
Sets the number of cycles the address is driven onto the ADDRDAT bus before ALE is asserted. If set to 0, 1 cycle is inserted by HW.
14.5.3 EBI_RDTIMING - Read Timing Register
Offset
0x008
Reset
Access
Bit Position
Name
Bit
Name
31
Reserved
30
PAGEMODE
Reset
Access Description
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
0
RW
Page Mode Access Enable
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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