Datasheet

Section 9 Peripheral I/O Mapping Controller
Page 246 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
(b) Port 2 Peripheral Function Mapping Register 2 (PMCR22)
b7
⎯
0
b6
0
b5
P23MD[2:0]
1
b4
0
b3
⎯
0
b2
0
b1
P22MD[2:0]
1
b0
0
H'FF0045
Bit:
Address:
Value after reset:
Bit Bit Name Initial Value Description R/W
7 ⎯ Reserved This bit is always read as 0. The write value
should always be 0.
⎯
6 to 4 P23MD[2:0] P23 function
select
000: Setting prohibited
001: IRQ3 input
010: TRCOI input (timer RC) (initial value)
011: FTIOD input/output (timer RC)*
100: TGIOB input/output (timer RG)
101: FTIOD0 input/output (timer RD_0)
110: TRAO output (timer RA)
111: Setting prohibited
R/W
3 ⎯ Reserved This bit is always read as 0. The write value
should always be 0.
⎯
2 to 0 P22MD[2:0] P22 function
select
000: Setting prohibited
001: IRQ2 input
010: TXD output (SCI3_1) (initial value)
011: FTIOC input/output (timer RC)*
100: TGIOA input/output (timer RG)
101: FTIOC0 input/output (timer RD_0)
110: TRBO output (timer RB)
111: Setting prohibited
R/W
Note: * The timer RC is not available on the H8S/20203, H8S/20223, H8S/20215, and
H8S/20235 Groups. These bits are reserved and the function cannot be selected for
these groups.