154
Chapter 4
Bus Control Function (
μ
PD70F3187 only)
User’s Manual U16580EE3V1UD00
(1)
Endian configuration register (BEC)
This register can be read/written in 16-bit units.
Cautions: 1. Bits 15, 13, 11, 9, 7, 5, 3, and 1 of the BEC register must be cleared (0). If these bits
are set to 1, the operation is not guaranteed.
2. Set the CSn area specified as the programmable peripheral I/O area to Little
Endian format (n = 0 to 7).
3. In the following areas, the data processing method is fixed to Little Endian
method. Any setting of Big Endian method for these areas according to the BEC
register is invalid.
-
On-chip peripheral I/O area
-
Internal RAM area
-
Fetch area of external memory
Figure 4-7:
Endian Configuration Register (BEC)
After reset:
0000H
R/W
Address:
FFFFF068H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BEC
0
BE70
0
BE60
0
BE50
0
BE40
0
BE30
0
BE20
0
BE10
0
BE00
CS7
CS6
CS5
CS4
CS3
CS2
CS1
CS0
BEn0
Endian Control
0
Little Endian method
1
Big Endian method
Summary of Contents for MuPD70F3187
Page 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Page 16: ...16 User s Manual U16580EE3V1UD00 ...
Page 28: ...28 User s Manual U16580EE3V1UD00 ...
Page 32: ...32 User s Manual U16580EE3V1UD00 ...
Page 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Page 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Page 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Page 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Page 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Page 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Page 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Page 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
Page 1052: ...1052 User s Manual U16580EE3V1UD00 ...
Page 1053: ......