參數資料
型號： DS33ZH11+
廠商： Maxim Integrated Products
文件頁數： 26/172頁
文件大?。?/td> 0K
描述： IC MAPPER ETHERNET 100CSBGA
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 7
應用： 數據傳輸
接口： 串行
電源電壓： 1.8V，2.5V，3.3V
封裝/外殼： 100-LFBGA，CSPBGA
供應商設備封裝： 100-CSBGA（10x10）
包裝： 托盤
安裝類型： 表面貼裝
DS33Z11 Ethernet Mapper
121 of 172
Register Name:
SU.RFSB0
Register Description:
Receive Frame Status Byte 0
Register Address:
154h
Bit #
7
6
5
4
3
2
1
0
Name
FL7
FL6
FL5
FL4
FL3
FL2
FL1
FL0
Default
0
Bits 0 - 7: Frame Length (FL[0:7]) These 8 bits are the low byte of the length (in bytes) of the received frame,
with FCS and Padding. If Automatic Pad Stripping is enabled, this value is the length of the received packet
without PCS or Pad bytes. The upper 6 bits are contained in SU.RFSB1.
Register Name:
SU.RFSB1
Register Description:
Receive Frame Status Byte 1
Register Address:
155h
Bit #
7
6
5
4
3
2
1
0
Name
RF
WT
FL13
FL12
FL11
FL10
FL9
FL8
Default
0
Bit 7: Runt Frame (RF) This bit is set to 1 if the received frame was altered by a collision or terminated within the
collision window.
Bit 6: Watchdog Timeout (WT) This bit is set to 1 if a packet receive time exceeds 2048 byte times. After 2048
byte times the receiver is disabled and the received frame will fail CRC check.
Bits 0-5: Frame Length (FL[8:13]) These 6 bits are the upper bits of the length (in bytes) of the received frame,
with FCS and Padding. If Automatic Pad Stripping is enabled, this value is the length of the received packet
without PCS or Pad bytes.
Register Name:
SU.RFSB2
Register Description:
Receive Frame Status Byte 2
Register Address:
156h
Bit #
7
6
5
4
3
2
1
0
Name
-
CRCE
DB
MIIE
FT
CS
FTL
Default
0
Bit 5: CRC Error (CRCE) This bit is set to 1 if the received frame does not contain a valid CRC value.
Bit 4: Dribbling Bit (DB) This bit is set to 1 if the received frame contains a non-integer multiple of 8 bits. It does
not indicate that the frame is invalid. This bit is not valid for runt or collided frames.
Bit 3: MII Error (MIIE) This bit is set to 1 if an error was found on the MII bus.
Bit 2: Frame Type (FT) This bit is set to 1 if the received frame exceeds 1536 bytes. It is equal to zero if the
received frame is an 802.3 frame. This bit is not valid for runt frames.
Bit 1: Collision Seen (CS) This bit is set to 1 if a late collision occurred on the received packet. A late collision is
one that occurs after the 64-byte collision window.
Bit 0: Frame Too Long (FTL) This bit is set to 1 if a frame exceeds the 1518 byte maximum standard Ethernet
frame. This bit is only an indication, and causes no frame truncation.
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