HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1274
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Section 35
35.16.2 Port T Data Register (PTDR)
PTDR is a register that stores data for pins PTT4 to PTT0. Bits PT4DT to PT0DT correspond to
pins PTT4 to PTT0. When the pin function is general output port, if the port is read, the value of
the corresponding PTDR bit is returned directly. When the function is general input port, if the
port is read, the corresponding pin level is read.
Table 35.16 Port T Data Register (PTDR) Read/Write Operations
Note:
Rev. 3.00 Jan. 18, 2008 Page 1212 of 1458
REJ09B0033-0300
Bit
7 to 5
4
3
2
1
0
PTnMD1 PTnMD0 Pin State
0
1
PTCR State
Bit Name
PT4DT
PT3DT
PT2DT
PT1DT
PT0DT
n = 0 to 4
0
1
0
1
I/O Ports
Initial
Value
All 0
0
0
0
0
0
Other function PTDR value
Output
Input (Pull-up
MOS on)
Input (Pull-up
MOS off)
R/W
R
R/W
R/W
R/W
R/W
R/W
Read
PTDR value
Pin state
Pin state
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Table 35.16 shows the function of PTDR.
Write
Value is written to PTDR, but does not affect
pin state.
Write value is output from pin.
Value is written to PTDR, but does not affect
pin state.
Value is written to PTDR, but does not affect
pin state.
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