参数资料
型号: DS21Q55DK
厂商: Maxim Integrated Products
文件页数: 11/32页
文件大小: 0K
描述: KIT DESIGN FOR DS21Q55
标准包装: 1
类型: 收发器
适用于相关产品: DS21Q55
所含物品: 主板,子卡,软件和文档
DS21Q55DK Quad T1/E1/J1 Transceiver Design Kit
Register Name: SYNC3
Register Description: DS21Q55 RSYNC Pin Setting
Register Offset: 0x0017
Bit #
Name
Default
7
RSOR1
0
6
RSOR0
0
5
4
3
R4IO
0
2
R3IO
0
1
R2IO
0
0
R1IO
0
Bit 0: DS21Q55 Port 1 RSYNC Setting (R1IO)
0 = RSYNC 1 is an output, tri-state corresponding FPGA driver pin (weak pulldown)
1 = Drive RSYNC 1 with RSYNC X as shown in Table 6
Bit 1: DS21Q55 Port 2 RSYNC Setting (R2IO)
0 = RSYNC 2 is an output, tri-state corresponding FPGA driver pin (weak pulldown)
1 = Drive RSYNC 2 with RSYNC X as shown in Table 6
Bit 2: DS21Q55 Port 3 RSYNC Setting (R3IO)
0 = RSYNC 3 is an output, tri-state corresponding FPGA driver pin (weak pulldown)
1 = Drive RSYNC 4 with RSYNC X as shown in Table 6
Bit 3: DS21Q55 Port 4 RSYNC Setting (R4IO)
0 = RSYNC 4 is an output, tri-state corresponding FPGA driver pin (weak pulldown)
1 = Drive RSYNC 4 with RSYNC X as shown in Table 6
Note: When driving RSYNCy with RSYNCx the corresponding DS21Q55 port should be configured such that
RSYNCx is an output (IOCR1.4 = 0) and RSYNCy is an input (IOCR1.4 = 1).
Table 6. RSYNCx Function Definition
RSOR1, RSOR0
00
01
10
11
MASTER RSYNC DESIGNATION
RSYNC 1 is used to drive other RSYNC pins (providing R X IO = 1)
RSYNC 2 is used to drive other RSYNC pins (providing R X IO = 1)
RSYNC 3 is used to drive other RSYNC pins (providing R X IO = 1)
RSYNC 4 is used to drive other RSYNC pins (providing R X IO = 1)
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