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DP83256 bảng dữ liệu(PDF) 38 Page - Texas Instruments

tên linh kiện DP83256
Giải thích chi tiết về linh kiện  PLAYER(TM) Device (FDDI Physical Layer Controller)
PDF  146 Pages
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nhà sản xuất  TI1 [Texas Instruments]
Trang chủ  http://www.ti.com
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DP83256 bảng dữ liệu(HTML) 38 Page - Texas Instruments

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50 Registers
The PLAYERa device can be initialized configured and monitored using 64 8-bit registers These registers are accessible
through the Control Bus Interface
The following tables summarize each register’s attributes
Note
RESERVED Registers may be read at any time although the values read are not specified The results of RESERVED Register writes are not specified and
may have adverse implications The user should not write to RESERVED Register locations
TABLE 5-1 Register Summary
Register
Address
Register
Symbol
Register Name
Access Rules
Read
Write
00h
MR
Mode Register
Always
Always
01h
CR
Configuration Register
Always
Conditional
02h
ICR
Interrupt Condition Register
Always
Conditional
03h
ICMR
Interrupt Condition Mask Register
Always
Always
04h
CTSR
Current Transmit State Register
Always
Conditional
05h
IJTR
Injection Threshold Register
Always
Always
06h
ISRA
Injection Symbol Register A
Always
Always
07h
ISRB
Injection Symbol Register B
Always
Always
08h
CRSR
Current Receive State Register
Always
Write Reject
09h
RCRA
Receive Condition Register A
Always
Conditional
0Ah
RCRB
Receive Condition Register B
Always
Conditional
0Bh
RCMRA
Receive Condition Mask Register A
Always
Always
0Ch
RCMRB
Receive Condition Mask Register B
Always
Always
0Dh
NTR
Noise Threshold Register
Always
Always
0Eh
NPTR
Noise Prescale Threshold Register
Always
Always
0Fh
CNCR
Current Noise Count Register
Always
Write Reject
10h
CNPCR
Current Noise Prescale Count Register
Always
Write Reject
11h
STR
State Threshold Register
Always
Always
12h
SPTR
State Prescale Threshold Register
Always
Always
13h
CSCR
Current State Count Register
Always
Write Reject
14h
CSPCR
Current State Prescale Count Register
Always
Write Reject
15h
LETR
Link Error Threshold Register
Always
Always
16h
CLECR
Current Link Error Count Register
Always
Write Reject
17h
UDR
User Definable Register
Always
Always
18h
IDR
Device ID Register
Always
Write Reject
19h
CIJCR
Current Injection Count Register
Always
Write Reject
1Ah
ICCR
Interrupt Condition Comparison Register
Always
Always
1Bh
CTSCR
Current Transmit State Comparison Register
Always
Always
1Ch
RCCRA
Receive Condition Comparison Register A
Always
Always
37



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