Fujitsu FR81S Manual Do Utilizador
CHAPTER 5: CLOCK
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : CLOCK
FUJITSU SEMICONDUCTOR CONFIDENTIAL
25
[bit3 to bit0] PDS[3:0] (Pll input clock Divider selection) : PLL input clock divider selection
These bits select the main clock (MCLK) division for the PLL/SSCG input clock as follows.
PDS[3:0]
PLL/SSCG input clock divider select
0000
PLL/SSCG input clock = Main clock / 1
0001
PLL/SSCG input clock = Main clock / 2
0010
PLL/SSCG input clock = Main clock / 3
0011
PLL/SSCG input clock = Main clock / 4
0100
PLL/SSCG input clock = Main clock / 5
0101
PLL/SSCG input clock = Main clock / 6
0110
PLL/SSCG input clock = Main clock / 7
0111
PLL/SSCG input clock = Main clock / 8
1000
PLL/SSCG input clock = Main clock / 9
1001
PLL/SSCG input clock = Main clock / 10
1010
PLL/SSCG input clock = Main clock / 11
1011
PLL/SSCG input clock = Main clock / 12
1100
PLL/SSCG input clock = Main clock / 13
1101
PLL/SSCG input clock = Main clock / 14
1110
PLL/SSCG input clock = Main clock / 15
1111
PLL/SSCG input clock = Main clock / 16
* Follow the configuration steps for your appropriate PLL/SSCG and system specifications.
* See "5.1.3 PLL/SSCG Clock (PLLSSCLK)" for configuration samples.
A set value is limited. See "5.1.4 Limitations when PLL/SSCG Clock is used" when you set it.
MB91520 Series
MN705-00010-1v0-E
186