h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 304
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h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
- Current page: 304 of 1547
- Download datasheet (10Mb)
Section 9 I/O Ports
Port 3 Data Register (P3DR)
P3DR is an 8-bit readable/writable register, which stores the output data of port 3 pins (P35 to
P30).
P3DR is initialized to B'**000000 by a reset and in hardware standby mode. The previous state is
maintained in software standby mode.
Port 3 Register (PORT3)
Note: * Determined by the state of pins P35 to P30.
PORT3 is an 8-bit read-dedicated register, which reflects the state of pins. Write is disenabled.
Always carry out writing off output data of port 3 pins (P35 to P30) to P3DR without fail.
When P3DDR is set to 1, if port 3 is read, the values of P3DR are read. When P3DDR is cleared
to 0, if port 3 is read, the states of pins are read out.
P3DDR and P3DR are initialized by a reset and in hardware standby mode, so PORT3 is
determined by the state of the pins. The previous state is maintained in software standby mode.
Rev. 6.00 Feb 22, 2005 page 244 of 1484
REJ09B0103-0600
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