Datasheet

Section 10 I/O Ports
Page 272 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Port 1 has the following registers.
• Port mode register 1 (PMR1)
• Port control register 1 (PCR1)
• Port data register 1 (PDR1)
• Port pull-up control register 1 (PUCR1)
• Port drive control register 1 (PDVR1)
10.1.1 Port Mode Register 1 (PMR1)
b7
PMR17
0
b6
PMR16
0
b5
PMR15
0
b4
PMR14
0
b3
PMR13
0
b2
PMR12
0
b1
PMR11
0
b0
PMR10
0
H'FF0000
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 PMR17 Port 17 mode R/W
6 PMR16 Port 16 mode R/W
5 PMR15 Port 15 mode R/W
4 PMR14 Port 14 mode R/W
3 PMR13 Port 13 mode R/W
2 PMR12 Port 12 mode R/W
1 PMR11 Port 11 mode R/W
0 PMR10 Port 10 mode
0: General I/O port
1: The function selected by the peripheral I/O
mapping controller (PMC).
PMR1 is a register that selects the function of the
multiplexed pins: general I/O function or the function
selected by the PMC.
In the H8S/20103 and H8S/20115 Groups, bits
PMR14 and PMR10 are reserved. Only 0 should be
written to these bits.
R/W