uss820d-db ETC-unknow, uss820d-db Datasheet - Page 13

• Manufacturer Part Number: uss820d-db
• Description: Uss-820d Device Controller
• Manufacturer: ETC-unknow

June 2001
Agere Systems Inc.
Register Interface
Table 7. Special Function Registers (By Address)
* Indexed by EPINDEX.
† Contains shared bits. See Special Firmware Action for Shared Register Bits section.
Address
0BH*
0CH*
0DH*
00H*
01H*
02H*
03H*
04H*
05H*
06H*
07H*
08H*
09H*
1CH
1DH
0AH
0EH
0FH
1AH
1BH
1EH
10H
11H
12H
14H
15H
16H
17H
18H
19H
SCRATCH
EPINDEX
RXCNTH
RXSTAT
TXCNTH
Register
TXCNTL
RXCNTL
EPCON
TXSTAT
RXCON
TXCON
RXDAT
RXFLG
FADDR
TXDAT
TXFLG
SOFH
DSAV1
SOFL
SBIE1
MCSR
LOCK
PEND
SBI1
DSAV
SSR
SBIE
SCR
SBI
REV
†
†
†
†
†
†
†
(continued)
Transmit FIFO Data Register
Transmit FIFO Byte-Count Low Register
Transmit FIFO Byte-Count High Register
USB Transmit FIFO Control Register
Transmit FIFO Flag Register
Receive FIFO Data Register
Receive FIFO Byte-Count Low Register
Receive FIFO Byte-Count High Register
Receive FIFO Control Register
Receive FIFO Flag Register
Endpoint Index Register
Endpoint Control Register
Endpoint Transmit Status Register
Endpoint Receive Status Register
Start of Frame Low Register
Start of Frame High Register
Function Address Register
System Control Register
System Status Register
Serial Bus Interrupt Register
Serial Bus Interrupt Register 1
Serial Bus Interrupt Enable Register
Serial Bus Interrupt Enable Register 1
Hardware Revision Register
Suspend Power-Off Locking Register
Pend Hardware Status Update Register
Scratch Firmware Information Register
Miscellaneous Control/Status Register
Data Set Available
Data Set Available 1
Description
Table
22
23
23
24
25
26
27
27
28
29
17
18
19
20
16
15
21
30
31
13
14
11
12
32
33
34
35
36
37
38
USB Device Controller
Page
26
26
26
27
28
30
31
31
31
33
20
21
22
24
20
19
26
36
37
17
18
16
16
37
38
38
38
39
40
40
13