Datasheet

Section 8 I/O Ports
Rev. 2.00 Aug. 20, 2008 Page 358 of 1198
REJ09B0403-0200
8.3.2 Port Control Register 0 (PTCNT0)
PTCNT0 selects pins for 14-bit PWM timer outputs and 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, 4  All 0 R/W Reserved
The initial value should not be changed.
3 PWMXS 0 R/W Selects pins for 14-bit PWM timer outputs.
0: P60/PWX0, P61/PWX1, P62/PWX2, P63/PWX3
are selected
1: P93/ExPWX0, P94/ExPWX1, PF6/ExPWX2,
PF3/ExPWX3* are selected
2  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.
Note: * The PF3/EXPWX3 pin is available only in the H8S/2472 Group.