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DP83902AVF データシート(PDF) 24 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 DP83902AVF
部品情報  ST-NICTM Serial Network Interface Controller for Twisted Pair
PDF  70 Pages
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83902AVF データシート(HTML) 24 Page - National Semiconductor (TI)

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100 Internal Registers
All registers are 8-bit wide and mapped into four pages
which are selected in the Command Register (PS0 PS1)
Pins RA0 – RA3 are used to address registers within each
page Page 0 registers are those registers which are com-
monly accessed during ST-NIC operation while page 1 reg-
isters are used primarily for initialization The registers are
partitioned to avoid having to perform two writeread cycles
to access commonly used registers
101 REGISTER ADDRESS MAPPING
TLF11157 – 18
102 REGISTER ADDRESS ASSIGNMENTS
Page 0 Address Assignments (PS1 e 0 PS0 e 0)
RA0 – RA3
RD
WR
00H
Command (CR)
Command (CR)
01H
Current Local DMA
Page Start Register
Address 0 (CLDA0)
(PSTART)
02H
Current Local DMA
Page Stop Register
Address 1 (CLDA1)
(PSTOP)
03H
Boundary Pointer
Boundary Pointer
(BNRY)
(BNRY)
04H
Transmit Status
Transmit Page Start
Register (TSR)
Address (TPSR)
05H
Number of Collisions
Transmit Byte Count
Register (NCR)
Register 0 (TBCR0)
06H
FIFO (FIFO)
Transmit Byte Count
Register 1 (TBCR1)
07H
Interrupt Status
Interrupt Status
Register (ISR)
Register (ISR)
08H
Current Remote DMA Remote Start Address
Address 0 (CRDA0)
Register 0 (RSAR0)
RA0 – RA3
RD
WR
09H
Current Remote DMA Remote Start Address
Address 1 (CRDA1)
Register 1 (RSAR1)
0AH
Reserved
Remote Byte Count
Register 0 (RBCR0)
0BH
Reserved
Remote Byte Count
Register 1 (RBCR1)
0CH
Receive Status
Receive Configuration
Register (RSR)
Register (RCR)
0DH
Tally Counter 0
Transmit Configuration
(Frame Alignment
Register (TCR)
Errors) (CNTR0)
0EH
Tally Counter 1
Data Configuration
(CRC Errors)
Register (DCR)
(CNTR1)
0FH
Tally Counter 2
Interrupt Mask
Missed Packet
Register (IMR)
Errors) (CNTR2)
24



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