upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 93

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

(9) USB clock control register (UCKC)
This register controls the clock supplied to the USB macro.
UCKC can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to 00H.
Address: FFA7H
Symbol
UCKC
Caution Before shifting to the STOP mode, stop the clock supply to the USB macro.
UCKCNT
UCKCNT
<7>
0
1
After reset: 00H
After the STOP mode is released, count the PLL oscillation stabilization time (800
µ
stabilization wait time has elapsed.
Figure 5-10. Format of USB Clock Control Register (UCKC)
s) using software, and supply the clock to the USB macro after the oscillation
Clock supply to USB macro stopped
Clock supplied to USB macro
6
0
R/W
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 5 CLOCK GENERATOR
5
0
USB macro clock supply control
4
0
3
0
2
0
1
0
0
0
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