Sundance SMT300Q v.1.6 - Manual (Page 3)

Page 3 of 61 SMT300Q SMT300Q User Guide V1.65
Table of Contents
1 Introduction ..................................................................................................................................... 8
2 Functional Description .................................................................................................................... 9
2.1 Block Diagram ...................................................................................................................... 10
2.2 ComPort Switching Matrix .................................................................................................... 11
2.3 TIM Sites location................................................................................................................. 12
3 Setting Up the SMT300Q.............................................................................................................. 13
4 Host Memory Map......................................................................................................................... 14
4.1 CompactPCI Bridge Chip Internal Register (BAR0)............................................................. 14
4.2 I/O Space Register Assignments (BAR1) ............................................................................ 14
4.3 Memory Space Assignments(BAR2).................................................................................... 15
5 DSP Resource Memory Map ........................................................................................................ 16
6 Shared Memory Resource ............................................................................................................ 17
7 ComPorts ...................................................................................................................................... 18
7.1 ComPort Switching (Quick Switches)................................................................................... 18
7.2 Buffered ComPort................................................................................................................. 19
8 ComPort to CompactPCI Interface ............................................................................................... 23
8.1 ComPort Registers (Offset 0x10, BAR1).............................................................................. 23
8.2 Control Register (Offset 0x14, BAR1) .................................................................................. 23
8.3 Status Register (Offset 0x14, BAR1 , Read-Only) ............................................................... 24
8.4 Interrupt Control Register (Offset 0x18, BAR1) ................................................................... 25
9 PLL................................................................................................................................................ 26
9.1 PLLREG1 (BAR1 Offset 60
16
) .............................................................................................. 26
9.2 PLLREG2 (BAR1 Offset 64
16
) .............................................................................................. 26
9.3 Frequency Select (Bank 2, 3 and 4)..................................................................................... 26
9.4 Phase Shift Select (Bank 2) ................................................................................................. 27
9.5 Phase Shift Select (Bank 3 and 4) ....................................................................................... 27
10 JTAG Controller ............................................................................................................................ 28
11 Using the SMT300Q External/Internal JTAG with TI Tools. ......................................................... 30
12 Firmware Upgrades ...................................................................................................................... 31
13 Global/Local Bus Transfers, DSP <-> CompactPCI. ................................................................... 33
13.1 Mailbox Accesses................................................................................................................. 33
13.1.1 Doorbell Interrupts ....................................................................................................... 34
13.2 DSP Interrupt Control ........................................................................................................... 34
13.3 DSP To Local Aperture 0 control and Accessing................................................................. 35
13.3.1 Global bus access protocol ......................................................................................... 36
14 Interrupts ....................................................................................................................................... 40
14.1 SMT300Q-To-CompactPCI Interrupts.................................................................................. 40
14.2 CompactPCI-To-SMT300Q Interrupts.................................................................................. 41
14.3 Interrupt Registers................................................................................................................ 41
14.3.1 CompactPCI Interrupt Configuration Register(Offset 0x4C, BAR0)............................ 41
14.3.2 CompactPCI Interrupt Status Register(Offset 0x48, BAR0)........................................ 43
14.3.3 Local Bus Interrupt Mask Register(Offset 0x77, BAR0).............................................. 44