HD6432646 Hitachi, HD6432646 Datasheet - Page 286

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 9-10 (2)
Pin
P52/SCK2
P51/RxD2
P50/TxD2
252
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
0
SCK2 output
pin
—
1
SCK2 output
RxD2 input pin
P50 output pin
pin
—
—
1
—
—
1
1
SCK2 input
pin
—
—
—
1