MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 95

• 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

5.7
the pre-switchover clock for several instructions (see Table 5-6).
PCC2
Set Value Before
0
0
0
0
1
The CPU clock can be switched using bits 0 to 2 (PCC0 to PCC2) of the processor clock control register (PCC).
The actual switchover operation is not performed immediately after rewriting to the PCC; operation continues on
Caution Setting the following values is prohibited when the CPU operates on the internal low-speed
Remark The maximum time is the number of clocks of the CPU clock before switching.
Switchover
Time Required for CPU Clock Switchover
PCC1
0
0
1
1
0
oscillation clock.
PCC0
0
1
0
1
0
PCC2, PCC1, PCC0 = 0, 1, 0
PCC2, PCC1, PCC0 = 0, 1, 1
PCC2, PCC1, PCC0 = 1, 0, 0
PCC2
0
Table 5-6. Maximum Time Required for CPU Clock Switchover
8 clocks
4 clocks
2 clocks
1 clock
PCC1
0
PCC0
0
PCC2
CHAPTER 5 CLOCK GENERATOR
0
16 clocks
4 clocks
2 clocks
1 clock
User’s Manual U17890EJ2V0UD
PCC1
0
PCC0
1
Set Value After Switchover
PCC2
0
16 clocks
8 clocks
2 clocks
1 clock
PCC1
1
PCC0
0
PCC2
0
16 clocks
8 clocks
4 clocks
1 clock
PCC1
1
PCC0
1
PCC2
1
16 clocks
8 clocks
4 clocks
2 clocks
PCC1
0
PCC0
0
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