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10.1.3 Input/Output Pins
Table 10.2 summarizes the ITU pins. External pin functions should be set with the pin function
controller to match to the ITU setting. See section 15, Pin Function Controller, for details. ITU
pins need to be set using the pin function controller (PFC) after the chip is set to ITU mode.
Table 10.2 Pin Configuration
Channel Name Pin Name I/O Function
Shared Clock input A TCLKA I External clock A input pin (A-phase input pin in
phase counting mode)
Clock input B TCLKB I External clock B input pin (B-phase input pin in
phase counting mode)
Clock input C TCLKC I External clock C input pin
Clock input D TCLKD I External clock D input pin
0 Input capture/output
compare A0
TIOCA0 I/O GRA0 output compare/GRA0 input capture/PWM
output pin (in PWM mode)
Input capture/output
compare B0
TIOCB0 I/O GRB0 output compare/GRB0 input capture
1 Input capture/output
compare A1
TIOCA1 I/O GRA1 output compare/GRA1 input capture/PWM
output pin (in PWM mode)
Input capture/output
compare B1
TIOCB1 I/O GRB1 output compare/GRB1 input capture
2 Input capture/output
compare A2
TIOCA2 I/O GRA2 output compare/GRA2 input capture/PWM
output pin (in PWM mode)
Input capture/output
compare B2
TIOCB2 I/O GRB2 output compare/GRB2 input capture
3 Input capture/output
compare A3
TIOCA3 I/O GRA3 output compare/GRA3 input capture/PWM
output pin (in PWM mode, complementary PWM
mode, or reset-synchronized PWM mode)
Input capture/output
compare B3
TIOCB3 I/O GRB3 output compare/GRB3 input capture/PWM
output pin (in complementary PWM mode or reset-
synchronized PWM mode)
4 Input capture/output
compare A4
TIOCA4 I/O GRA4 output compare/GRA4 input capture/PWM
output pin (in PWM mode, complementary PWM
mode or reset-synchronized PWM mode)
Input capture/output
compare B4
TIOCB4 I/O GRB4 output compare/GRB4 input capture/PWM
output pin (in complementary PWM mode or reset-
synchronized PWM mode)
Output compare XA4 TOCXA4 O PWM output pin (in complementary PWM mode or
reset-synchronized PWM mode)
Output compare XB4 TOCXB4 O PWM output pin (in complementary PWM mode or
reset-synchronized PWM mode)