h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 281

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Table 9.10 (2)
Pin
P52/SCK2
P51/RxD2
P50/TxD2
Selection Method and Pin Functions
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.
Switches as follows according to a combination of the RE bit in SCR of SCI2 and
the P51DDR bit.
Switches as follows according to a combination of the TE bit in SCR of SCI2 and
the P50DDR bit.
Pin function P52 input pin P52 output
RE
P51DDR
Pin function
TE
P50DDR
Pin function
P52DDR
Port 5 Pin Functions (H8S/2648, H8S/2648R, H8S/2647)
CKE1
CK0
C/A
P51 input pin
P50 input pin
0
0
0
0
0
0
P51 output pin
P50 output pin
pin
0
0
1
1
Rev. 5.00 Sep 22, 2005 page 255 of 1136
0
SCK2 output
pin
—
1
SCK2 output
RxD2 input pin
P50 output pin
pin
—
—
1
Section 9 I/O Ports
REJ09B0257-0500
—
—
1
1
SCK2 input
pin
—
—
—
1