h8s2277 Renesas Electronics Corporation., h8s2277 Datasheet - Page 379

• Manufacturer Part Number: h8s2277
• Description: Hitachi Single-chip Microcomputer H8s/2276 Series
• Manufacturer: Renesas Electronics Corporation.

Bit 5—Reserved: Only 0 may be written to this bit.
Bits 4 to 0—Reserved: These bits cannot be modified and are always read as 1.
12.2.4
Bit
Modes 4 and 5
Initial value
Modes 6 and 7
Initial value
R/W
PFCR is an 8-bit readable/writable register that performs address output control in external
expanded mode.
Only bit 5 is described here. For details of the other bits, see section 7.2.6, Pin Function Control
Register (PFCR).
Bit 5—BUZZ Output Enable (BUZZE): Enables or disables BUZZ output from the PF1 pin.
The WDT1 input clock selected with bits PSS and CKS2 to CKS0 is output as the BUZZ signal.
Bit 5
BUZZE
0
1
Pin Function Control Register (PFCR)
Description
Functions as PF1 I/O pin
Functions as BUZZ output pin
:
:
:
:
R/W
—
7
0
0
R/W
—
6
0
0
BUZZE
R/W
5
0
0
R/W
—
4
0
0
AE3
R/W
3
1
0
AE2
R/W
2
1
0
AE1
R/W
1
0
0
(Initial value)
AE0
R/W
0
1
0
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