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6.1.3
SMCS332SpW Interrupt Status Register (ISR) ........................................................................................ 56
6.1.4
SMCS332SpW Interrupt Mask Register ................................................................................................... 57
6.1.5
Channel specific configuration registers ................................................................................................... 57
6.1.5.1
SpaceWire Mode Register (CHx_DSM_MODR) ................................................................................. 57
6.1.5.2
COMI Configuration Register (CHx_COMICFG) ............................................................................... 57
6.1.5.3
Control Register 1 (CHx_CNTRL1) ..................................................................................................... 57
6.1.5.4
SpaceWire Command Register (CHx_DSM_CMDR) .......................................................................... 57
6.2
Data transfer via COMI.................................................................................................................................... 58
6.3
Data Transfer via HOCI ................................................................................................................................... 61
6.3.1
Special behaviour in case of SpaceWire link error ................................................................................... 62
7
Signal Description ................................................................................................................................................... 64
8
Electrical Specifications.......................................................................................................................................... 67
8.1
Absolute Maximum Ratings .............................................................................................................................. 67
8.2
DC Electrical Characteristics........................................................................................................................... 67
8.3
Power consumption........................................................................................................................................... 68
8.4
PLL Filter ......................................................................................................................................................... 69
8.5
Power and Ground Guidelines ......................................................................................................................... 69
9
Timing Parameters ................................................................................................................................................. 70
9.1
Clock Signals .................................................................................................................................................... 70
9.2
Reset.................................................................................................................................................................. 72
9.3
Host Read.......................................................................................................................................................... 73
9.4
Host Write......................................................................................................................................................... 75
9.5
COMI Read ....................................................................................................................................................... 77
9.6
COMI Write ...................................................................................................................................................... 78
9.7
COMI Arbitration ............................................................................................................................................. 79
9.8
CPUR, SES, Interrupt ....................................................................................................................................... 80
9.9
Links.................................................................................................................................................................. 81
9.10
Test Port (JTAG)............................................................................................................................................... 82
10 Mechanical Data ..................................................................................................................................................... 84
10.1
Package Dimensions......................................................................................................................................... 84
10.2
Pin Assignment ................................................................................................................................................. 85
11 Additional Informations ......................................................................................................................................... 87
11.1
Frequently Asked Questions ............................................................................................................................. 87
11.2
BSDL File for the SMCS332SpW...................................................................................................................... 90
12 Handling Empty Packets ...................................................................................................................................... 110
12.1
Description ..................................................................................................................................................... 110
12.2
Workaround .................................................................................................................................................... 113
13 Simple Interprocessor Communication Protocol Specification ........................................................................ 114
13.1
Application Scenario....................................................................................................................................... 114
13.2
Assumptions about the Environment............................................................................................................... 115
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1.4
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