OM11077 NXP Semiconductors, OM11077 Datasheet - Page 405

• Manufacturer Part Number: OM11077
• Description: MODULE DIMM LPC2478 ARM7
• Manufacturer: NXP Semiconductors

Specifications of OM11077

• Accessory Type: Module Card
• For Use With/related Products: ARM-57TS-LPC2478
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4742

NXP Semiconductors
UM10237_4
User manual
7.9 OTG Clock Status Register (OTGClkSt - 0xFFE0 CFF8)
Table 368. OTG_clock_control register (OTG_clock_control - address 0xFFE0 CFF4) bit
This register holds the clock availability status. When enabling a clock via OTGClkCtrl,
software should poll the corresponding bit in this register. If it is set, then software can go
ahead with the register access. Software does not have to repeat this exercise for every
access, provided that the OTGClkCtrl bits are not disturbed.
Table 369. OTG_clock_status register (OTGClkSt - address 0xFFE0 CFF8) bit description
Bit
1
2
3
4
31:5
Bit
0
1
2
3
Symbol
DEV_CLK_EN
I2C_CLK_EN
OTG_CLK_EN
AHB_CLK_EN
-
Symbol
HOST_CLK_ON
DEV_CLK_ON
I2C_CLK_ON
OTG_CLK_ON
description
Rev. 04 — 26 August 2009
Value Description
0
1
0
1
0
1
0
1
NA
Value Description
0
1
0
1
0
1
0
1
Device clock enable
Disable the Device clock.
Enable the Device clock.
I2C clock enable
Disable the I
Enable the I
OTG clock enable
Disable the OTG clock.
Enable the OTG clock.
AHB master clock enable
Disable the AHB clock.
Enable the AHB clock.
Reserved, user software should not write ones
to reserved bits. The value read from a
reserved bit is not defined.
Host clock status.
Host clock is not available.
Host clock is available.
Device clock status.
Device clock is not available.
Device clock is available.
I2C clock status.
I2C clock is not available.
I2C clock is available.
OTG clock status.
OTG clock is not available.
OTG clock is available.
Chapter 15: LPC24XX USB OTG controller
2
2
C clock.
C clock.
UM10237
© NXP B.V. 2009. All rights reserved.
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Reset
Value
0
0
0
0
NA
Reset
Value
0
0
0
0