HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 138

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

3.2.6
The following table shows the operating modes and the associated frequency ranges for input
clocks.
Mode Pin
0, 1
2
3
4, 5
6
Notes: 1. When a crystal resonator is used, set the frequency in the range of 8 to 15 MHz.
120
EXTAL or crystal 8–15
resonator*
CKIO
2. Set the frequency modification register so that the frequency of all internal clocks is 1
3. Use internal clock frequencies such that I
Clock Modes and Frequency Ranges
MHz or higher.
1
Clock Input
Input Frequency
Range (MHz)
1–30
8–15
1–30
8–15
1–30
16–30
1–30
1–30
PLL1 PLL2
On
Off
On
Off
Off
On
Off
Off
PLL Circuit
On
On
Off
Off
On
Off
On
Off
Off
E
I
(MH
8–60
8–60
8–60
1–30
8–60
1–30
8–60
1–30
16–60 16–30 16–30
1–30
1–30
P .
Internal Clock*
Z
)
E
(MH
8–60
8–60
8–15
1–30
8–60
1–30
8–60
1–30
1–30
1–30
Z
)
P
(MH
8–30
8–30
8–15
1–30
8–30
1–30
8–30
1–30
1–30
1–30
2,
*
Z
3
)
CKIO Output
(MHz)
8–60
8–60
8–15
1–30
8–60
1–30
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