USB97C100QFP datasheet(15/64 Pages) SMSC

15 / 64 page

SMSC DS – USB97C100

Page 15

Rev. 01/03/2001

MMU Block Register Summary

Table 7 - MMU Block Register Summary

ADDRESS

NAME

R/W

DESCRIPTION

MMU REGISTERS

0x6000

MMU_DATA

R/W

8051-MMU Data Window Register FIFO

7F50

PRL

R/W

8051-MMU Pointer Register (Low)

7F51

PRH

R/W

8051-MMU Pointer Register (High) & R/W

7F52

MMUTX_SEL

R/W

8051-MMU TX FIFO Select for Commands

7F53

MMUCR

8051-MMU Command Register

7F54

ARR

8051-MMU Allocation Result Register

7F55

PNR

R/W

8051-MMU Packet Number Register

7F56

PAGS_FREE

R/W

Pages Free In the MMU

7F57

TX_MGMT

TX Management Register 2

7F58

RXFIFO

RX Packet FIFO Register (All EPs)

7F59

POP_TX

POP TX FIFO

7F60

TXSTAT_A

TX Packet FIFO Status Register (EP0-3)

7F61

TXSTAT_B

TX Packet FIFO Status Register (EP4-7)

7F62

TXSTAT_C

TX Packet FIFO Status Register (EP8-11)

7F63

TXSTAT_D

TX Packet FIFO Status Register (EP12-15)

7F64

MMU_TESTx

N/A

Reserved for Test

7F65

MMU_TESTx

N/A

Reserved for Test

7F66

MMU_TESTx

N/A

Reserved for Test

7F67

TX_MGMT

R/W

TX Management Register 1

7F6E

MMU_TESTx

N/A

Reserved for Test

7F6F

MMU_TESTx

N/A

Reserved for Test

USB97C100QFP Datasheet(PDF) 15 Page - SMSC Corporation

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