CHAPTER 14 PORT FUNCTIONS
704
User’s Manual U14492EJ3V0UD
(b) Port DH mode control register (PMCDH)
This register can be read/written in 8-bit or 1-bit units.
7
PMCDH7
PMCDH
6
PMCDH6
5
PMCDH5
4
PMCDH4
3
PMCDH3
2
PMCDH2
1
PMCDH1
0
PMCDH0
Address
FFFFF046H
Initial value
Note
00H/FFH
Note
00H: Single-chip mode 0
FFH: Single-chip mode 1, ROMless mode 0 or 1
Bit Position
Bit Name
Function
7 to 0
PMCDHn
(n = 7 to 0)
Specifies operation mode of PDHn pin.
0: I/O port mode
1: A23 to A16 output mode
Содержание V850E/IA1 mPD703116
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