DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 650

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

19.1
The on-chip clock pulse generator has the following registers.
• System clock control register (SCKCR)
• Low-power control register (LPWRCR)
19.1.1
SCKCR controls φ clock output and medium-speed mode.
Rev.7.00 Dec. 24, 2008 Page 596 of 698
REJ09B0074-0700
Bit
7
6
5, 4 —
3
Bit Name Initial Value R/W
PSTOP
—
—
System Clock Control Register (SCKCR)
Register Descriptions
0
0
All 0
0
R/W
R/W
—
R/W
Description
φ Clock Output Disable
Controls φ output. The operation of this bit changes
depending on the operating mode. For details, see section
20.11, φ Clock Output Disabling Function.
0: φ output, fixed high, or high impedance
1: Fixed high or high impedance
Reserved
Although this bit is readable/writable, only 0 should be
written to.
Reserved
These bits are always read as 0.
Reserved
Although this bit is readable/writable, only 0 should be
written to.