Hitachi H8S/2646 Hardware Manual page 284

Table 9-10 (2) Port 5 Pin Functions (H8S/2648, H8S/2648R, H8S/2647)
Pin Selection Method and Pin Functions
P52/SCK2 Switches as follows according to a combination of the C/A bit in SMR and bits CKE0
and CKE1 in SCR of SCI2, and the P52DDR bit.
CKE1
C/A
CK0
P52DDR
Pin function P52 input pin P52 output
P51/RxD2 Switches as follows according to a combination of the RE bit in SCR of SCI2 and
the P51DDR bit.
RE
P51DDR
Pin function
P50/TxD2 Switches as follows according to a combination of the TE bit in SCR of SCI2 and
the P50DDR bit.
TE
P50DDR
Pin function
252
0
0
0 0
pin
0
0
P51 input pin P51 output pin
0
0
P50 input pin P50 output pin
0
1
—
SCK2 output SCK2 output
pin
1
RxD2 input pin
1
P50 output pin
1
1 —
— —
— —
SCK2 input
pin pin
1
—
1
—