Epi Host-Bus 8 Configuration 2 (Epihb8Cfg2) Register, Offset 0X014; Epi Host-Bus 8 Configuration 2 (Epihb8Cfg2) Register [Offset 0X014]; Epi Host-Bus 8 Configuration 2 (Epihb8Cfg2) Register Field Descriptions - Texas Instruments Concerto F28M35 Series Technical Reference Manual

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17.11.8 EPI Host-Bus 8 Configuration 2 (EPIHB8CFG2) Register, Offset 0x014

NOTE: The MODE field in the EPICFG register determines which configuration register is accessed
for offsets 0x010 and 0x014.
To access EPIHB8CFG2, the MODE field must be 0x2.
This register is used to configure operation while in Host-Bus 8 mode. Note that this register is reset when
the MODE field in the EPICFG register is changed. If another mode is selected and the Host-Bus 8 mode
is selected again, the values must be reinitialized.
Figure 17-35. EPI Host-Bus 8 Configuration 2 (EPIHB8CFG2) Register [offset 0x014]
31 30
WORD
R/W-0
23 22
Reserved
R-0
15 14
7 6
WRWS
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 17-21. EPI Host-Bus 8 Configuration 2 (EPIHB8CFG2) Register Field Descriptions
Bit Field
31 WORD
30-28 Reserved
27 CSCFGEXT
SPRUH22I – April 2012 – Revised November 2019
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28
Reserved
R-0
21 20
WRHIGH RDHIGH
R/W-0 R/W-0
13 12
5 4
RDWS
R/W-0
Value Description
Word Access Mode
By default, the EPI controller uses data bits [7:0] for Host-Bus 8 accesses. When using Word
Access mode, the EPI controller can automatically route bytes of data onto the correct byte lanes
such that data can be stored in bits [31:8]. When WORD is set, short and long variables can be
used in C programs.
0 Word Access mode is disabled
1 Word Access mode is enabled
Reserved
Chip Select Extended Configuration
This field is used in conjunction with CSCFG, to extend the chip select options, and ALE format.
The values 0x0 through 0x3 are from the CSCFG field. The CSCFGEXT bit extends the values to
0x7.
0 CSCFG bit field is used in chip select configuration
1 The CSCFG bit field is extended with CSCFGEXT representing the MSB.
Copyright © 2012–2019, Texas Instruments Incorporated
27 26
CSCFGEXT CSBAUD
R/W-0 R/W-0
19 18
ALEHIGH
R/W-1
11 10
Reserved
R-0
3 2
Reserved
R-0
Register Descriptions
25
CSCFG
R/W-0
Reserved
R-0
9
1
MODE
R/W-0
External Peripheral Interface (EPI)
24
16
8
0
1241