MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 141

• Manufacturer Part Number: MC-78F0712-KIT
• Description: KIT REF SYSTEM 78K0 UPD78F0712
• Manufacturer: Renesas Electronics America

Specifications of MC-78F0712-KIT

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.4.4
counter 00 (TM00).
to 0 and the interrupt request signal (INTTM00) is generated.
prescaler mode register 00 (PRM00).
TI000 pin is detected twice, thus eliminating noise with a short pulse width.
The basic operation setting procedure is as follows.
<1> Set the CRC00 register (see Figure 7-26 for the set value).
<2> Set the count clock by using the PRM00 register.
<3> Set any value to the CR00 register (0000H cannot be set).
<4> Set the TMC00 register to start the operation (see Figure 7-26 for the set value).
Remarks 1. For the setting of the TI000 pin, see 7.3 (5) Port mode register 5 (PM5).
The external event counter counts the number of external clock pulses input to the TI000 pin using 16-bit timer
TM00 is incremented each time the valid edge specified by prescaler mode register 00 (PRM00) is input.
When the TM00 count value matches the 16-bit timer capture/compare register 00 (CR00) value, TM00 is cleared
Input a value other than 0000H to CR00 (a count operation with 1-bit pulse cannot be carried out).
Any of three edges rising, falling, or both edges can be selected using bits 4 and 5 (ES000 and ES001) of
Sampling is performed using the internal clock (f
Setting
External event counter operation
2. For how to enable the INTTM00 interrupt, see CHAPTER 16 INTERRUPT FUNCTIONS.
CHAPTER 7 16-BIT TIMER/EVENT COUNTER 00
User’s Manual U17890EJ2V0UD
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) and an operation is only performed when a valid level of the
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