Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 430
HOST_SHDL_CS
0xE0032010
10.14.5 HOST_SHDL_CS
Scheduler Memory Pointer Register
19 ASYNC_SHDL_STATUS This bit will inform the software about which portion of the memory should be used for Async/nonperi-
odic list update both for EHCI and OHCI.
0 Indicates that the scheduler is currently using the lower portion of the scheduler memory for
processing the Async/Non-periodic list with the starting location of ASYNC_PTR0 register.
1 Indicates that the scheduler is currently using the upper portion of the scheduler memory for
processing the Async/Non-periodic list with the starting location of AYSNC_PTR1 register.
18 PERI_SHDL_STATUS This bit will inform the software about which portion of the memory should be used for periodic list
update both for EHCI and OHCI.
0 Indicates that the scheduler is currently using the lower portion of the scheduler memory for
processing the periodic list with the starting location at base address of lower portion of the
scheduler memory.
1 Indicates that the scheduler is currently using the upper portion of the scheduler memory for
processing the periodic list with the starting location at base address of upper portion of the
scheduler memory.
17 PERI_SHDL_CHNG This bit is set by software to indicate that periodic schedule is changed, and the scheduler may flip to
the alternate schedule at the next frame boundary. This bit is cleared by hardware upon switching to
new schedule.
continued on next page
HOST_SHDL_CS Scheduler Memory Pointer Register 0xE0032010
b31 b30 b29 b28 b27 b26 b25 b24
HOST_SHDL_CS Scheduler Memory Pointer Register
b23 b22 b21 b20 b19 b18 b17 b16
ASYNC_SHDL_
STATUS
PERI_SHDL_
STATUS
PERI_SHDL_
CHNG
ASYNC_SHDL_
CHNG
RRR/W1SR/W1S
R/W R/W R/W0C R/W0C
0000
HOST_SHDL_CS Scheduler Memory Pointer Register
b15 b14 b13 b12 b11 b10 b9 b8
BULK_CNTRL_PTR1[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
00000000
HOST_SHDL_CS Scheduler Memory Pointer Register
b7 b6 b5 b4 b3 b2 b1 b0
BULK_CNTRL_PTR0[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English