Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 484

,545 ,545 ,545
P52/SCK2/,545
The pin function is switched as shown below according to the combination of bit C/A in SMR of
SCI_2, bits CKE0 and CKE1 in SCR, bit ITS2 in ITSR, and bit P52DDR.
CKE1
C/$
CKE0
P52DDR
Pin function
Note: * ,545 input when ITS2 = 0.
,544
,544 ,544
P51/RxD2/,544
The pin function is switched as shown below according to the combination of bit RE in SCR of
SCI_2, bit ITS1 in ITSR, and bit P51DDR.
RE
P51DDR
Pin function
Note: * ,544 input when ITS1 = 0.
,543
,543 ,543
P50/TxD2/,543
The pin function is switched as shown below according to the combination of bit TE in SCR of
SCI_2, bit ITS0 in ITSR, and bit P50DDR.
TE
P50DDR
Pin function
Note: * ,543 input when ITS0 = 0.
Rev. 1.0, 09/01, page 440 of 904
0
0
0 1
P52 P52
input output
,545 interrupt input*
0
0
P51 input
,544 interrupt input*
0
0
P50 input
,543 interrupt input*
0
1
1 —
— —
SCK2 SCK2
output output
1
P51 output
1
P50 output
1
—
—
—
SCK2
input
1
—
RxD2 input
1
—
TxD2 input