HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 554

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 10 I/O Ports
10.3.6
Port 3 pins also function as the pins for SCI I/Os, I
correspondence between the register specification and the pin functions is shown below.
• P35/SCK1/SCL0/(OE)/(CKE *
OEE
OES
SDRAM
space
ICE
CKE1
C/A
CKE0
P35DDR
Pin
function
Rev.7.00 Mar. 18, 2009 page 486 of 1136
REJ09B0109-0700
The pin function is switched as shown below according to the combination of the ICE bit in
ICCRA of I
RMTS2 to RMTS0 in DRAMCR, bit OES in PFCR2, and bit P35DDR.
Modes 1, 2, 4, 7 (EXPE = 1)
Pin Functions
input
P35
0
0
2
C_0, C/A bit in SMR of SCI_1, bits CKE0 and CKE1 in SCR, bits OEE and
output
P35
*
0
1
1
0
output
SCK1
⎯
⎯
*
1
1
⎯
⎯
0
output
SCK1
⎯
⎯
*
1
1
3
)
SCK1
input
⎯
⎯
⎯
1
SCL0
I/O *
⎯
⎯
⎯
⎯
1
2
input
P35
0
2
C output, and a bus control signal output. The
0
output
P35
*
0
1
1
0
output
SCK1
⎯
*
0
1
1
⎯
1
output
SCK1
⎯
⎯
*
1
1
1
SCK1
input
⎯
⎯
⎯
1
SCL0
I/O *
⎯
⎯
⎯
⎯
1
2
Normal
DRAM
output
space
OE
or
⎯
⎯
⎯
⎯
⎯
0
continu-
SDRAM
output
space
CKE
ous
⎯
⎯
⎯
⎯
⎯