
Universal Serial Bus Interface – On-The-Go Module
21-14
Freescale Semiconductor
21.3.2.3
Host Controller Structural Parameters Register (HCSPARAMS)
This register contains structural parameters such as the number of downstream ports.
the HCSPARAMS register.
Address: 0xFC0B_0104 (HCSPARAMS)
Access: User read-only
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
16
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
R 0
0
0
0
N_TT
N_PTT
0
0
0
PI
N_CC
N_PCC
0
0
0 PPC
N_PORTS
W
Reset 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
Figure 21-11. Host Controller Structural Parameters Register (HCSPARAMS)
Table 21-13. HCSPARAMS Field Descriptions
Field
Description
31–28
Reserved, always cleared.
27–24
N_TT
Number of transaction translators. Non-EHCI field. Indicates number of embedded transaction translators
associated with host controller. This field is always 0x0.
See
Section 21.5.5.1, “Embedded Transaction Translator Function,
” for more information on embedded
transaction translators.
23–20
N_PTT
Ports per transaction translator. Non-EHCI field. Indicates number of ports assigned to each transaction
translator within host controller.
19–17
Reserved, always cleared.
16
PI
Port indicators. Indicates whether the ports support port indicator control. Always set.
0 No port indicator fields.
1 The port status and control registers include a R/W field for controlling the state of the port indicator. See
for more information.
15–12
N_CC
Number of companion controllers. Indicates number of companion controllers associated with USB OTG
controller. Always cleared.
11–8
N_PCC
Number ports per CC. Indicates number of ports supported per internal companion controller. This field is 0
because no companion controllers are present.
7–5
Reserved, always cleared.
4
PPC
Power port control. Indicates whether host controller supports port power control. Always set.
1 Ports have power port switches.
3–0
N_PORTS
Number of ports. Indicates number of physical downstream ports implemented for host applications. Field value
determines how many addressable port registers in the operational register. For the USB host and OTG
modules, this is always 0x1.
MCF5329 Reference Manual, Rev 3
Содержание MCF5329
Страница 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 126: ...Enhanced Multiply Accumulate Unit EMAC 4 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 564: ...Liquid Crystal Display Controller LCDC 22 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 692: ...Programmable Interrupt Timers PIT0 PIT3 28 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 720: ...Queued Serial Peripheral Interface QSPI 30 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 790: ...Message Digest Hardware Accelerator MDHA 33 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 902: ...Register Memory Map Quick Reference A 26 Freescale Semiconductor MCF5329 Reference Manual Rev 3...