Datasheet

Section 9 Peripheral I/O Mapping Controller
Page 268 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
(3) Port A
(a) Port A Peripheral Function Mapping Register 3 (PMCRA3)
b7
⎯
0
b6
0
b5
PA5MD[2:0]
0
b4
0
b3
⎯
0
b2
0
b1
PA4MD[2:0]
0
b0
0
H'FF0066
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 PA5MD[2:0] PA5 function
select
000: No function selected (initial value)
001: IRQ5 input
010: Setting prohibited
011: SCK3 input/output (SCI3_1)
100: TRAIO input/output (timer RA)
101: FTIOB3 input/output (timer RD_1)*
110: SCK3_3 input/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 PA4MD[2:0] PA4 function
select
000: No function selected (initial value)
001: IRQ4 input
010: Setting prohibited
011: Setting prohibited
100: TRGB input (timer RB)
101: FTIOA3 input/output (timer RD_1)*
110: Setting prohibited
111: Setting prohibited
R/W
Notes: PMCRA3 is not available on the H8S/20223 and H8S/20235 Groups.
* This function cannot be selected for the H8S/20103 and H8S/20115 Groups.