Datasheet
Section 13 Timer W 
Rev. 3.00 Mar. 15, 2006 Page 184 of 526 
REJ09B0060-0300   
13.2 Input/Output Pins 
Table 13.2 summarizes the timer W pins. 
Table 13.2  Pin Configuration 
Name Abbreviation Input/Output Function 
External clock input  FTCI  Input  External clock input pin 
Input capture/output 
compare A 
FTIOA Input/output Output pin for GRA output compare or 
input pin for GRA input capture  
Input capture/output 
compare B 
FTIOB Input/output Output pin for GRB output compare, 
input pin for GRB input capture, or PWM 
output pin in PWM mode 
Input capture/output 
compare C 
FTIOC Input/output Output pin for GRC output compare, 
input pin for GRC input capture, or PWM 
output pin in PWM mode 
Input capture/output 
compare D 
FTIOD Input/output Output pin for GRD output compare, 
input pin for GRD input capture, or PWM 
output pin in PWM mode 
13.3 Register Descriptions 
The timer W has the following registers. 
•  Timer mode register W (TMRW) 
•  Timer control register W (TCRW) 
•  Timer interrupt enable register W (TIERW) 
•  Timer status register W (TSRW) 
•  Timer I/O control register 0 (TIOR0) 
•  Timer I/O control register 1 (TIOR1) 
•  Timer counter (TCNT) 
•  General register A (GRA) 
•  General register B (GRB) 
•  General register C (GRC) 
•  General register D (GRD) 










