Toshiba TC9349AFG Manual page 61

Input and Output Ports
A maximum of 45 I/O ports are available for the input/output of control signals. These 45 I/O ports include 36 CMOS I/O
ports and 9 N-ch open-drain I/O ports. Up to one exclusive input ports and two exclusive output ports are also available.
I/O port 3 can be set to the pull-down or pull-up state, while I/O ports 3, 4, 6 and 8 can be set to backup release (break
function). Individual input and output ports also serve as the pins for peripheral equipment. Switch them according to the
specifications.
1. I/O Ports, Input-only Ports (IN/IN2) and Output-only Ports (OT1/OT2)
Each of the I/O ports, exclusive input ports and exclusive output ports has the following dual-purpose functions and
features.
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TC9349AFG
2006-02-24