CHAPTER 14 PORT FUNCTIONS
User’s Manual U14359EJ4V0UM
495
(b) Port CT mode control register (PMCCT)
This register can be read/written in 8-bit or 1-bit units.
7
6
5
4
3
2
1
0
Address
After reset
Note
PMCCT
PMCCT7 PMCCT6 PMCCT5 PMCCT4
0
0
PMCCT1 PMCCT0 FFFFF04AH
00H/F3H
Note
In ROMless modes 0 and 1, and single-chip mode 1: F3H
In single-chip mode 0:
00H
Bit position
Bit name
Function
7
PMCCT7
Port Mode Control
Specifies operation mode of PCT7 pin.
0: I/O port mode
1: BCYST output mode
6
PMCCT6
Port Mode Control
Specifies operation mode of PCT6 pin.
0: I/O port mode
1: OE output mode
5
PMCCT5
Port Mode Control
Specifies operation mode of PCT5 pin.
0: I/O port mode
1: WE output mode
4
PMCCT4
Port Mode Control
Specifies operation mode of PCT4 pin.
0: I/O port mode
1: RD output mode
1
PMCCT1
Port Mode Control
Specifies operation mode of PCT1 pin.
0: I/O port mode
1: UCAS/UWR/UDQM output mode (UCAS/UWR/UDQM signal automatically
switched by accessing the targeted memory of each signal.)
0
PMCCT0
Port Mode Control
Specifies operation mode of PCT0 pin.
0: I/O port mode
1: LCAS/LWR/LDQM output mode (LCAS/LWR/LDQM signal automatically
switched by accessing the targeted memory of each signal.)