MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 166
MC-78F0712-KIT
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
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8.4.3
compare register 50 (CR50).
(TOE50) of 8-bit timer mode control register 50 (TMC50) to 1. This enables a square wave with any selected
frequency to be output (duty = 50%).
164
A square wave with any selected frequency is output at intervals determined by the value preset to 8-bit timer
The TO50 pin output status is inverted at intervals determined by the count value preset to CR50 by setting bit 0
<1> Set each register.
<2> After TCE50 = 1 is set, the count operation starts.
<3> The timer output F/F is inverted by a match of TM50 and CR50. After INTTM5n is generated, TM50 is
<4> After these settings, the timer output F/F is inverted at the same interval and a square wave is output from
Caution Do not write other values to CR50 during operation.
Setting
Square-wave output operation (Timer 50 only)
cleared to 00H.
TO50.
The frequency is as follows.
Clear the port output latch (P50) and port mode register (PM50) to 0.
TCL50: Select the count clock.
CR50:
TMC50: Stop the count operation, select the mode in which clear & start occurs on a match of TM50 and
Frequency = 1/2t (N + 1)
(N: 00H to FFH)
Compare value
CR50.
Timer output F/F inversion enabled
Timer output enabled
(TMC50 = 00001011B or 00000111B)
LVS50
CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50 AND 51
1
0
LVR50
0
1
User’s Manual U17890EJ2V0UD
High-level output
Low-level output
Timer Output F/F Status Setting
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