HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 679
HD6417660
Manufacturer Part Number
HD6417660
Description
Renesas 32-Bit RISC Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417660.pdf
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24.2
PFC has the following registers. For details on register addresses and register states in each
operation mode, refer to section 27, List of Registers.
• Port A control register (PACR)
• Port B control register (PBCR)
• Port D control register (PDCR)
• Port E control register (PECR)
• Port G control register (PGCR)
• Port H control register (PHCR)
• Pin select register A (PSELA)
• I/O buffer Hi-Z control register A (HIZCRA)
• Noise canceller control register (NCCR)
Note: The PFC registers are not initialized by a manual reset and hold the contents.
24.2.1
PACR is a 16-bit readable/writable register that selects the pin function and input pull-up MOS
control.
Bit
15, 14
13
12
11
10
Register Descriptions
Bit Name
PA6MD1
PA6MD0
PA5MD1
PA0MD0
Port A Control Register (PACR)
Initial
Value*
All 0
1
0
1
0
R/W
R
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.
PTA6 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)
PTA5 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)
Rev. 1.00, 02/04, page 641 of 804
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