SH7055S Datasheet, PDF (279/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

• Bit 7—Reserved: This bit is always read as 0. The write value should always be 0.
• Bits 6 to 4—I/O Control 1B2 to 1B0, 1D2 to 1D0, 1F2 to 1F0, 1H2 to 1H0 (IO1B2 to IO1B0,
IO1D2 to IO1D0, IOF12 to IO1F0, IO1H2 to IO1H0): These bits select the general register
(GR) function.
Bit 6:
IO1x2
0
Bit 5:
IO1x1
0
1
1
0
1
x = B, D, F, or H
Bit 4:
IO1x0
0
1
0
1
0
1
0
1
Description
GR is an output
compare register
GR is an input
capture register
Compare-match disabled; pin output
undefined
(Initial value)
0 output on GR compare-match
1 output on GR compare-match
Toggle output on GR compare-match
Input capture disabled (GR cannot be
written to)
Input capture in GR on rising edge at
TIO1x pin (GR cannot be written to)
Input capture in GR on falling edge at
TIO1x pin (GR cannot be written to)
Input capture in GR on both rising and
falling edges at TIO1x pin (GR cannot be
written to)
Rev.2.0, 07/03, page 241 of 960