Datasheet

Section 9 Peripheral I/O Mapping Controller
REJ09B0465-0300 Rev. 3.00 Page 269 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
(b) Port A Peripheral Function Mapping Register 4 (PMCRA4)
b7
⎯
0
b6
0
b5
PA7MD[2:0]
0
b4
0
b3
⎯
0
b2
0
b1
PA6MD[2:0]
0
b0
0
H'FF0067
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 ⎯ Reserved This bit is always read as 0. The write value
should always be 0.
⎯
6 to 4 PA7MD[2:0] PA7 function
select
000: No function selected (initial value)
001: IRQ7 input
010: Setting prohibited
011: TXD output (SCI3_1)
100: TREO output (timer RE)
101: FTIOD3 input/output (timer RD_1)*
110: TXD_3 output (SCI3_3)
111: Setting prohibited
R/W
3 ⎯ Reserved This bit is always read as 0. The write value
should always be 0.
⎯
2 to 0 PA6MD[2:0] PA6 function
select
000: No function selected (initial value)
001: IRQ6 input
010: Setting prohibited
011: RXD input (SCI3_1)
100: TRBO output (timer RB)
101: FTIOC3 input/output (timer RD_1)*
110: RXD_3 input (SCI3_3)
111: Setting prohibited
R/W
Notes: PMCRA4 is not available on the H8S/20223 and H8S/20235 Groups.
* This function cannot be selected for the H8S/20103 and H8S/20115 Groups.