Section 8 I/O Ports
Rev. 1.00 Mar. 12, 2008 Page 188 of 1178
REJ09B0403-0100
Table 8.1
Port Functions
Port Description
Single-Chip Mode
(EXPE = 0)
Extended Mode
(EXPE = 1)
Feature of
I/O
Port 1
General I/O port
multiplexed with
address output and
address-data
multiplex I/O
P17
P16
P15
P14
P13
P12
P11
P10
P17/A7/AD7
P16/A6/AD6
P15/A5/AD5
P14/A4/AD4
P13/A3/AD3
P12/A2/AD2
P11/A1/AD1
P10/A0/AD0
Built-in input
pull-up MOS
Port 2
General I/O port
multiplexed with SCIF
control I/O
P27/
DTR
P26/
DSR
P25/
RI
P24/
DCD
Same as left
Built-in input
pull-up MOS
General
I/O
port
multiplexed with
address output and
address-data
multiplex I/O
P23
P22
P21
P20
P23/A11/AD11
P22/A10/AD10
P21/A9/AD9
P20/A8/AD8
Port 3
General I/O port
multiplexed with de-
bounced input and
bidirectional data bus
I/O
P37/ExDB7
P36/ExDB6
P35/ExDB5
P34/ExDB4
P33/ExDB3
P32/ExDB2
P31/ExDB1
P30/ExDB0
P37/ExDB7/D15
P36/ExDB6/D14
P35/ExDB5/D13
P34/ExDB4/D12
P33/ExDB3/D11
P32/ExDB2/D10
P31/ExDB1/D9
P30/ExDB0/D8
Built-in input
pull-up MOS
Port 4
General I/O port
multiplexed with
interrupt input, de-
bounced input,
address output, and
address-data
multiplex I/O
P47/
IRQ7
/RS7/DB7/HC7
P46/
IRQ6
/RS6/DB6/HC6
P45/
IRQ5
/RS5/DB5/HC5
P44/
IRQ4
/RS4/DB4/HC4
P47/A15/AD15
P46/A14/AD14
P45/A13/AD13
P44/A12/AD12
General
I/O
port
multiplexed with
interrupt input and
bidirectional data
bus
*
I/O
P43/
IRQ3
/RS3/HC3
P42/
IRQ2
/RS2/HC2
P41/
IRQ1
/RS1/HC1
P40/
IRQ0
/RS0/HC0
P43/
IRQ3
/RS3/HC3/D7
*
P42/
IRQ2
/RS2/HC2/D6
*
P41/
IRQ1
/RS1/HC1/D5
*
P40/
IRQ0
/RS0/HC0/D4
*
Built-in input
pull-up MOS
LED driving
capability
(sink current
12 mA)
Summary of Contents for H8S Family
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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...