Section 8
I/O Ports
Rev. 1.00 Mar. 12, 2008 Page 305 of 1178
REJ09B0403-0100
(c)
Single-Chip Mode
Port 6 pins can operate as the PWMX output, SCIF and SSU control input/output, interrupt input,
or general I/O port pins. The relationship between register setting values and pin functions are as
follows.
•
P67/
ExIRQ8
/SSCK
The pin function is switched as shown below according to the SCKS bit in SSCRH of the SSU
and the P67DDR bit. When the ISS8 bit in ISSR16 is set to 1, this pin can be used as the
ExIRQ8
input pin. To use as the
ExIRQ8
input pin, clear the P67DDR bit to 0.
SCKS 0
1
P67DDR 0
1
X
P67 input pin
Pin function
ExIRQ8
input pin
P67 output pin
SSCK I/O pin
[Legend] X: Don't care.
•
P66/
ExIRQ9
/
SCS
The pin function is switched as shown below according to the CSS1 and CSS0 bits in SSCRH
of the SSU and the P66DDR bit. When the ISS9 bit in ISSR16 is set to 1, this pin can be used
as the
ExIRQ9
input pin. To use as the
ExIRQ9
input pin, clear the P66DDR bit to 0.
CSS1, CSS0
00
01 or 1X
P66DDR 0
1
X
P66 input pin
Pin function
ExIRQ9
input pin
P66 output pin
SCS
I/O pin
[Legend] X: Don't care.
Summary of Contents for H8S Family
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Page 8: ...Rev 1 00 Mar 12 2008 Page viii of xIviii...
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Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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Page 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...