UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 229
UPD78F0413GA-GAM-AX
Manufacturer Part Number
UPD78F0413GA-GAM-AX
Description
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer
NEC
Datasheet
1.UPD78F0413GA-GAM-AX.pdf
(562 pages)
Specifications of UPD78F0413GA-GAM-AX
Controller Family/series
UPD78F
No. Of I/o's
30
Ram Memory Size
1024Byte
Cpu Speed
10MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
32KB
Oscillator Type
External, Internal
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7.4 Operations of 8-Bit Timer/Event Counters 50, 51, and 52
7.4.1 Operation as interval timer
of the count value preset to 8-bit timer compare register 5n (CR5n).
TM5n value cleared to 0 and an interrupt request signal (INTTM5n) is generated.
(TCL5n).
8-bit timer/event counter 5n operates as an interval timer that generates interrupt requests repeatedly at intervals
When the count value of 8-bit timer counter 5n (TM5n) matches the value set to CR5n, counting continues with the
The count clock of TM5n can be selected with bits 0 to 2 (TCL5n0 to TCL5n2) of timer clock selection register 5n
<1> Set the registers.
<2> After TCE5n = 1 is set, the count operation starts.
<3> If the values of TM5n and CR5n match, INTTM5n is generated (TM5n is cleared to 00H).
<4> INTTM5n is generated repeatedly at the same interval.
Caution Do not write other values to CR5n during operation.
Remarks 1. For how to enable the INTTM5n signal interrupt, see CHAPTER 17 INTERRUPT FUNCTIONS.
Remark Interval time = (N + 1)
Setting
TM5n count value
Set TCE5n to 0 to stop the count operation.
Count clock
INTTM5n
TCL5n:
CR5n:
TMC5n:
2. n = 0 to 2
N = 01H to FFH
n = 0 to 2
TCE5n
CR5n
Select the count clock.
Compare value
Stop the count operation.
(TMC50 = 0000
Count start
00H
CHAPTER 7 8-BIT TIMER/EVENT COUNTERS 50, 51, AND 52
N
01H
Figure 7-14. Interval Timer Operation Timing (1/2)
t
t
0B, TMC51 = TMC52 = 00000000B
User’s Manual U18698EJ1V0UD
(a) Basic operation
N
Clear
00H
Interrupt acknowledged
N
01H
Interval time
N
Clear
= Don’t care)
00H
Interrupt acknowledged
N
01H
Interval time
N
N
229
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