Datasheet

Section 8 I/O Ports
Rev. 2.00 Sep. 28, 2009 Page 253 of 870
REJ09B0429-0200
8.16.2 Port Control Register 0 (PTCNT0)
PTCNT0 selects pins for the control mode for external extension.
Bit Bit Name Initial Value R/W Description
7 SCPFSEL1 0 R/W Controls the internal connection of TxD1 and RxD1
with the SCI_1 as the smart card interface.
0: TxD1 and RxD1 are not internally connected.
1: TxD1 and RxD1 are internally connected.
6 SCPFSEL3 0 R/W Controls the internal connection of TxD3 and RxD3
with the SCI_3 as the smart card interface.
0: TxD3 and RxD3 are not internally connected.
1: TxD3 and RxD3 are internally connected.
5 to 2 ⎯ All 0 R/W Reserved
The initial value should not be changed.
1 OBE 0 R/W Selects glueless extension.
0: Control by RD, HWR, LWR
1: Control by RD, WR, HBE, LBE
(glueless extension)
0 ⎯ 0 R/W Reserved
The initial value should not be changed.