参数资料
型号: IP-POSPHY4
厂商: Altera
文件页数: 126/144页
文件大小: 0K
描述: IP POS-PHY L4
标准包装: 1
系列: *
类型: MegaCore
功能: POS-PHY 4 级接口,链路层/物理层
许可证: 初始许可证
E–2
1
Appendix E: Programming the SPI-4.2 Calendar via the Avalon Memory-Mapped Interface
Programming the SPI-4.2 Calendar
This step is typically only required after reset or power up and prevents
accessing the calendar memories before they are configured.
2. Write a value into the CALM0 field, to set the calendar multiplier for calendar 0.
3. Write a 5 into the CALLEN0 field, to set the calendar length to 5 slots for calendar 0.
4. Map the calendar 0 slot numbers to the desired port numbers. The slots are
addressed indirectly via the CALMEM_ADR register. Write to the CALMEM_ADR register
first, to set the slot number, and then you can write the port number to the
CALMEM_DAT0 register.
a. Assign port 0 to slot 0:
Write 0 to CALMEM_ADR .
Write 0 to CALMEM_DAT0 .
b. Assign port 3 to slot 1:
Write 1 to CALMEM_ADR .
Write 3 to CALMEM_DAT0 .
c. Assign port 2 to slot 2:
Write 2 to CALMEM_ADR .
Write 2 to CALMEM_DAT0 .
d. Assign port 3 to slot 3:
Write 3 to CALMEM_ADR .
Write 3 to CALMEM_DAT0 .
e. Assign port 0 to slot 4:
Write 4 to CALMEM_ADR .
Write 0 to CALMEM_DAT0 .
5. Write a value into the CALM1 field, to set the calendar multiplier for calendar 1.
6. Write a 3 into the CALLEN1 field, to set the calendar length to 3 slots for calendar 1.
7. Map the calendar 1 slot numbers to the desired port numbers:
a. Assign port 1 to slot 0:
Write 0 to CALMEM_ADR .
Write 1 to CALMEM_DAT1 .
b. Assign port 2 to slot 1:
Write 1 to CALMEM_ADR .
Write 2 to CALMEM_DAT1 .
c. Assign port 3 to slot 2:
Write 2 to CALMEM_ADR .
Write 3 to CALMEM_DAT1 .
8. Enable the status channel by writing a 0 to the RSFRM bit, if required.
POS-PHY Level 4 MegaCore Function User Guide
May 2013 Altera Corporation
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