Datasheet

Section 9 Peripheral I/O Mapping Controller
Page 252 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
(d) Port 3 Peripheral Function Mapping Register 4 (PMCR34)
b7
⎯
0
b6
0
b5
P37MD[2:0]
1
b4
1
b3
⎯
0
b2
0
b1
P36MD[2:0]
1
b0
1
H'FF004B
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 P37MD[2:0] P37 function
select
000: Setting prohibited
001: IRQ7 input
010: TXD_2 output (SCI3_2)
011: TXD_3 output (SCI3_3) (initial value)
100: SSI input/output (SSU)
101: FTIOD1 input/output (timer RD_0)
110: ADTRG2 input (AD_2)*
1
111: Setting prohibited
R/W
3 ⎯ Reserved This bit is always read as 0. The write value
should always be 0.
⎯
2 to 0 P36MD[2:0] P36 function
select
000: Setting prohibited
001: IRQ6 input
010: RXD_2 input (SCI3_2)
011: RXD_3 input (SCI3_3) (initial value)
100: SCS input/output*
2
(SSU)
101: FTIOC1 input/output (timer RD_0)
110: ADTRG1 input (AD_1)
111: Setting prohibited
R/W
Notes: 1. This function cannot be selected for the H8S/20103, H8S/20203, H8S/20115, and
H8S/20215 Groups.
2. If the SCS output pin of the SSU is set, the NMOS open-drain output cannot be
selected.