參數(shù)資料
型號(hào): DS21Q42TN
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 80/116頁(yè)
文件大小: 0K
描述: IC FRAMER ENHANCED T1 4X 128TQFP
標(biāo)準(zhǔn)包裝: 72
控制器類(lèi)型: T1 調(diào)幀器
接口: 并行/串行
電源電壓: 2.97 V ~ 3.63 V
電流 - 電源: 75mA
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
包裝: 管件
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DS21Q42
66 of 116
SYMBOL
POSITION
NAME AND DESCRIPTION
POK
RHIR.2
Packet OK. Set when the byte available for reading in the
receive FIFO at RHFR is the last byte of a valid message (and
hence no abort was seen, no overrun occurred, and the CRC was
correct).
CBYTE
RHIR.1
Closing Byte. Set when the byte available for reading in the
receive FIFO at RHFR is the last byte of a message (whether the
message was valid or not).
OBYTE
RHIR.0
Opening Byte. Set when the byte available for reading in the
receive FIFO at RHFR is the first byte of a message.
Note: The RABT, RCRCE, ROVR, and RVM bits are latched and are cleared when read.
RBOC: RECEIVE BIT ORIENTED CODE REGISTER (Address = 04 Hex)
(MSB)
(LSB)
LBD
BD
BOC5
BOC4
BOC3
BOC2
BOC1
BOC0
SYMBOL
POSITION
NAME AND DESCRIPTION
LBD
RBOC.7
Latched BOC Detected. A latched version of the BD status bit
(RBOC.6). Will be cleared when read.
BD
RBOC.6
BOC Detected. A real–time bit that is set high when the BOC
detector is presently seeing a valid sequence and set low when
no BOC is currently being detected.
BOC5
RBOC.5
BOC Bit 5. Last bit received of the 6–bit code word.
BOC4
RBOC.4
BOC Bit 4.
BOC3
RBOC.3
BOC Bit 3.
BOC2
RBOC.2
BOC Bit 2.
BOC1
RBOC.1
BOC Bit 1.
BOC0
RBOC.0
BOC Bit 0. First bit received of the 6–bit code word.
NOTES:
1) The LBD bit is latched and will be cleared when read.
2) The RBOC0 to RBOC5 bits display the last valid BOC code verified; these bits will be set to all ones
on reset.
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