HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 687

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

24.2.6
PHCR is a 16-bit readable/writable register that selects the pin function and input pull-up MOS
control.
Bit
15 to10 
9
8
7
6
5
4
Bit Name
PH4MD1
PH4MD0
PH3MD1
PH3MD0
PH2MD1
PH2MD0
Port H Control Register (PHCR)
Initial
Value*
All 0
1
0
1
0
1
0
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0. If 1 is written to these bits, correct operation
cannot be guaranteed.
PTH4 Mode
00: Other functions (see table 24.1)
01: Port output
10: Port input (pull-up MOS: On)
11: Port input (pull-up MOS: Off)
PTH3 Mode
00: Other functions (see table 24.1)
01: Port output
10: Port input (pull-up MOS: On)
11: Port input (pull-up MOS: Off)
PTH2 Mode
When the RE bit in the SCSCR_1 register is 0:
00: Other functions (see table 24.1)
01: Port output
10: Port input (pull-up MOS: On)
11: Port input (pull-up MOS: Off)
When the RE bit in the SCSCR_1 is 1:
Regardless of the PH2MD1 or PH2MD0 bit setting, other
functions (SCIF1_RxD) is selected.
Rev. 1.00, 02/04, page 649 of 804