Data Read Option Setting Register (Dropr) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
17.4.7

Data Read Option Setting Register (DROPR)

DROPR is a 32-bit register that sets the option data in external address space read mode.
The settings of this register should be changed when the TEND flag in CMNSR is 1; otherwise, the operation cannot be
guaranteed.
Bit:
31
Initial value: 0
R/W:
R/W
Bit:
15
Initial value:
0
R/W:
R/W
Bit Bit Name
31 to 24 OPD3[7:0]
23 to 16 OPD2[7:0]
15 to 8 OPD1[7:0]
7 to 0 OPD0[7:0]
Note: OPD3, OPD2, OPD1, and OPD0 are output in this order.
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
30 29 28 27 26
OPD3[7:0]
0 0 0 0 0
R/W R/W R/W R/W R/W
14 13 12 11 10
OPD1[7:0]
0 0 0 0 0
R/W R/W R/W R/W R/W
Initial
Value R/W
H'00 R/W
H'00 R/W
H'00 R/W
H'00 R/W
25 24 23 22 21
0 0 0 0 0
R/W R/W R/W R/W R/W
9 8 7 6 5
0 0 0 0 0
R/W R/W R/W R/W R/W
Description
Option Data 3
Sets the option data 3.
Option Data 2
Sets the option data 2.
Option Data 1
Sets the option data 1.
Option Data 0
Sets the option data 0.
17. SPI Multi I/O Bus Controller
20 19 18 17 16
OPD2[7:0]
0 0 0 0 0
R/W R/W R/W R/W R/W
4 3 2 1 0
OPD0[7:0]
0 0 0 0 0
R/W R/W R/W R/W R/W
17-14