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Renesas rl78 User Manual

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RL78/G1A 
 
CHAPTER  6   TIMER  ARRAY  UNIT 
R01UH0305EJ0200  Rev.2.00 
 
 
217  
Jul 04, 2013 
Figure 6-22.  Format of Noise Filter Enable Register 1 (NFEN1)  
 
Address: F0071H 
After reset: 00H 
R/W 
Symbol 
7 6 5 4 3 2 1 0 
NFEN1  TNFEN07 TNFEN06 TNFEN05
TNFEN04
TNFEN03
0 
TNFEN01 TNFEN00
 
TNFEN07 
Enable/disable using noise filter of TI07/TO07/P41 pin or RxD2/P14 pin input signal
Note
 
0 
Noise filter OFF 
1 
Noise filter ON 
 
TNFEN06 
Enable/disable using noise filter of TI06/TO06/P06 pin input signal 
0 
Noise filter OFF 
1 
Noise filter ON 
 
TNFEN05 
Enable/disable using noise filter of TI05/TO05/P05 pin input signal 
0 
Noise filter OFF 
1 
Noise filter ON 
 
TNFEN04 
Enable/disable using noise filter of TI04/TO04/P42 pin input signal 
0 
Noise filter OFF 
1 
Noise filter ON 
 
TNFEN03 
Enable/disable using noise filter of TI03/TO03/P31 pin input signal 
0 
Noise filter OFF 
1 
Noise filter ON 
 
TNFEN01 
Enable/disable using noise filter of TI01/TO01/P16 pin input signal 
0 
Noise filter OFF 
1 
Noise filter ON 
 
TNFEN00 
Enable/disable using noise filter of TI00/P00 pin input signal 
0 
Noise filter OFF 
1 
Noise filter ON 
 
Note  The applicable pin can be switched by setting the ISC1 bit of the ISC register. 
ISC1 = 0:  Whether or not to use the noise filter of the TI07 pin can be selected. 
ISC1 = 1:  Whether or not to use the noise filter of the RxD2 pin can be selected. 
 
Caution  Be sure to clear bit 2 to “0”. 
 
Remark  The presence or absence of timer I/O pins of channel 0 to 7 depends on the product. See Table 6-2 
Timer I/O Pins provided in Each Product for details.