r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 687

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

• PH2/CS6/IRQ6-B
Note:
• PH1/CS5/RAS5/SDRAMφ*
Note:
Operating
mode
EXPE
CS6E
PH2DDR
Pin
function
SDPSTP
Operating
mode
EXPE
OEE
OES
RMTS2 to
RMTS0
CS5E
PH1DDR
Pin
function
The pin function is switched as shown below according to the combination of the operating
mode, bit CS6E in PFCR0, and bit PH2DDR.
The pin function is switched as shown below according to the combination of the operating
mode, bit EXPE, bits RMTS2 to RMTS0 in DRAMCR of the bus controller, bit SDPSTP in
SCKCR of the clock pulse generator, bit CS5E in PFCR0 and bit PH1DDR.
*
*
input
PH1
Area 5 is normal space
0
IRQ6-B input when the ITS6 bit in ITSR is 1.
Not supported in the H8S/2426 Group.
0
input
PH2
output
PH1
0
1

0
input
PH1
0
0
output
PH2
1
output
1
1, 2, 4
CS5
1

1, 2, 4

input
PH1
Area 5 is DRAM
0
input
PH2
0
0
output
space
PH1
1
1
0
1
output
output
CS6
RAS5

1
1
IRQ6-B interrupt input*
input
PH1
0
input
PH2
1




0
output
0
PH1
1

0
input
PH1
Area 5 is normal space
output
0
PH2
1
Rev. 1.00 Sep. 19, 2008 Page 659 of 1270
0
output
PH1
1

0
input
PH1
input
PH2
0
7
0
1
output
CS5
7
1
0
1
output
PH2
input
PH1
Area 5 is DRAM
1
0
Section 10 I/O Ports
0
output
space
1
PH1
REJ09B0466-0100
1
1
0
input
PH2
0
output
RAS5

1
1
output
SDRAMφ
CS6
output*
1







0