upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 106

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

5.6.5 Clocks supplied to CPU and peripheral hardware
of registers.
106
The following table shows the relation among the clocks supplied to the CPU and peripheral hardware, and setting
Remarks 1. XSEL:
Internal high-speed oscillation clock
X1 clock
External main system clock
Clock Supplied to CPU
2. CSS:
3. MCM0: Bit 0 of MCM
4. EXCLK: Bit 7 of the clock operation mode select register (OSCCTL)
5. ×:
Table 5-3. Clocks Supplied to CPU and Peripheral Hardware, and Register Setting
Bit 2 of the main clock mode register (MCM)
Bit 4 of the processor clock control register (PCC)
don’t care
Supplied Clock
Clock Supplied to Peripheral Hardware
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 5 CLOCK GENERATOR
XSEL
0
1
1
CSS
0
0
0
MCM0
×
1
1
EXCLK
×
0
1