upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 500
upd78f0124m6gba1-8et
Manufacturer Part Number
upd78f0124m6gba1-8et
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
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33.3 Example of Wait Occurrence
<1> Watchdog timer
<2> Serial interface UART6
<3> A/D converter
500
Table 33-2. Number of Wait Clocks and Number of Execution Clocks on Occurrence of Wait (A/D Converter)
Note On execution of MOV A, ADCR
Remark The clock is the CPU clock (f
<On execution of MOV ADM, A; MOV ADS, A; or MOV A, ADCR>
• When f
<On execution of MOV WDTM, A>
<On execution of MOV WDTM, #byte>
<On execution of MOV A, ASIS6>
0
1
Number of execution clocks: 8
(5 clocks when data is written to a register that does not issue a wait (MOV sfr, A).)
Number of execution clocks: 10
(7 clocks when data is written to a register that does not issue a wait (MOV sfr, #byte).)
Number of execution clocks: 6
(5 clocks when data is read from a register that does not issue a wait (MOV A, sfr).)
Value of Bit 5 (FR2)
of ADM Register
X
f
t
= 10 MHz, t
X
CPUL
:
: Low-level width of CPU clock
X1 input clock oscillation frequency
CPUL
f
f
f
f
f
f
f
f
f
f
X
X
X
X
X
X
X
X
X
X
= 50 ns
/2
/2
/2
/2
/2
/2
/2
/2
2
3
4
2
3
4
f
CPU
CHAPTER 33 CAUTIONS FOR WAIT
CPU
9 clocks
5 clocks
3 clocks
2 clocks
0 clocks (1 clock
5 clocks
3 clocks
2 clocks
0 clocks (1 clock
0 clocks (1 clock
).
User’s Manual U16315EJ3V1UD
Number of Wait Clocks
Note
Note
Note
)
)
)
14 clocks
10 clocks
8 clocks
7 clocks
5 clocks (6 clocks
10 clocks
8 clocks
7 clocks
5 clocks (6 clocks
5 clocks (6 clocks
Number of Execution Clocks
Note
Note
Note
)
)
)
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