High-Speed Peripheral Clock Prescaler (Hispcp) Register; Low-Speed Peripheral Clock Prescaler Register (Lospcp); High-Speed Peripheral Clock Prescaler (Hispcp) Field Descriptions; Low-Speed Peripheral Clock Prescaler Register (Lospcp) Field Descriptions - Texas Instruments TMS320x2833 series Reference Manual

Clocking and System Control
Figure 3-5. High-Speed Peripheral Clock Prescaler (HISPCP) Register
15
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 3-5. High-Speed Peripheral Clock Prescaler (HISPCP) Field Descriptions
Bits Field
15-3 Reserved
2-0 HSPCLK
(1)
This register is EALLOW protected. See
(2)
HISPCP in this equation denotes the value of bits 2:0 in the HISPCP register.
Figure 3-6. Low-Speed Peripheral Clock Prescaler Register (LOSPCP)
15
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 3-6. Low-Speed Peripheral Clock Prescaler Register (LOSPCP) Field Descriptions
Bits Field
15-3 Reserved
2-0 LSPCLK
(1)
This register is EALLOW protected. See
(2)
LOSPCP in this equation denotes the value of bits 2:0 in the LOSPCP register.
44 Clocking
Reserved
R-0
Value
Reserved
These bits configure the high-speed peripheral clock (HSPCLK) rate relative to SYSCLKOUT:
≠ 0, HSPCLK = SYSCLKOUT/(HISPCP X 2)
(2)
If HISPCP
If HISPCP = 0, HSPCLK = SYSCLKOUT
000 High speed clock = SYSCLKOUT/1
001 High speed clock = SYSCLKOUT/2 (reset default)
010 High speed clock = SYSCLKOUT/4
011 High speed clock = SYSCLKOUT/6
100 High speed clock = SYSCLKOUT/8
101 High speed clock = SYSCLKOUT/10
110 High speed clock = SYSCLKOUT/12
111 High speed clock = SYSCLKOUT/14
Section 5.2 for more information.
Reserved
R-0
Value
Reserved
These bits configure the low-speed peripheral clock (LSPCLK) rate relative to SYSCLKOUT:
≠ 0, then LSPCLK = SYSCLKOUT/(LOSPCP X 2)
(2)
If LOSPCP
If LOSPCP = 0, then LSPCLK = SYSCLKOUT
000 Low speed clock = SYSCLKOUT/1
001 Low speed clock= SYSCLKOUT/2
010 Low speed clock= SYSCLKOUT/4 (reset default)
011 Low speed clock= SYSCLKOUT/6
100 Low speed clock= SYSCLKOUT/8
101 Low speed clock= SYSCLKOUT/10
110 Low speed clock= SYSCLKOUT/12
111 Low speed clock= SYSCLKOUT/14
Section 5.2 for more information.
3
(1)
Description
3
(1)
Description
SPRUFB0C – September 2007 – Revised May 2009
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2 0
HSPCLK
R/W-001
2 0
LSPCLK
R/W-010