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10.2
Input/Output Pins
Table 10.1 lists the FRT input and output pins.
Table 10.1 Pin Configuration
Channel Name
0
Counter clock input pin
Output compare A output pin
Output compare B output pin
Input capture A input pin
Input capture B input pin
Input capture C input pin
Input capture D input pin
1
Counter clock input pin
Output compare A output pin
Output compare B output pin
Input capture A input pin
Input capture B input pin
Input capture C input pin
Input capture D input pin
Note: Channels 0 and 1 are omitted in this manual.
10.3
Register Descriptions
The FRT has the following registers for each channel.
• Free-running counter (FRC)
• Output compare register A (OCRA)
• Output compare register B (OCRB)
• Input capture register A (ICRA)
• Input capture register B (ICRB)
• Input capture register C (ICRC)
• Input capture register D (ICRD)
• Output compare register AR (OCRAR)
• Output compare register AF (OCRAF)
• Output compare register DM (OCRDM)
• Timer interrupt enable register (TIER)
• Timer control/status register (TCSR)
Symbol
I/O
FTCI_0
Input
FTOA_0
Output
FTOB_0
Output
FTIA_0
Input
FTIB_0
Input
FTIC_0
Input
FTID_0
Input
FTCI_1
Input
FTOA_1
Output
FTOB_1
Output
FTIA_1
Input
FTIB_1
Input
FTIC_1
Input
FTID_1
Input
Function
FRC counter clock input
Output compare A output
Output compare B output
Input capture A input
Input capture B input
Input capture C input
Input capture D input
FRC counter clock input
Output compare A output
Output compare B output
Input capture A input
Input capture B input
Input capture C input
Input capture D input
Rev. 1.00, 09/03, page 241 of 704
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