参数资料
型号: IP-SRAM/QDRII
厂商: Altera
文件页数: 54/68页
文件大小: 0K
描述: IP QDRII SRAM CONTROLLER
标准包装: 1
系列: *
类型: MegaCore
功能: QDRII SRAM 控制器
许可证: 初始许可证
Interfaces & Signals
Figure 3–19. Simultaneous Read & Write—Burst of Four (Wide Mode)
avl_clk
avl_read
avl_adr_rd[19:0]
avl_wait_request_rd
avl_data_read_valid
51
52
avl_data_rd[17:0]
avl_write
9abc
dfe0
avl_adr_wr[19:0]
avl_wait_request_wr
01
02
avl_data_wr[17:0]
qdrii_k
1234 5678
qdrii_a[19:0]
51
01
52
02
qdrii_d[17:0]
qdrii_wpsn
qdrii_rpsn
qdrii_cqn
qdrii_cq
qdrii_q[17:0]
1 2 3 4 5 6 7 8
9 a b c d e f 0
Signals
Table 3–1 shows the system signals.
Table 3–1. System Signals (Part 1 of 2)
Signal
avl_clk
avl_clk_wr
avl_resetn
dll_delay_ctrl[6]
Direction
Input
Input
Input
Input
Description
System clock derived from the PLL.
Write clock derived from the PLL.
Reset signal, w hich you can assert
asynchronously, but you must
deassert synchronously to avl_clk .
Delay bus for DLL to shift DQS inputs.
DQS mode only.
3–22 MegaCore Version 9.1
Altera Corporation
QDRII SRAM Controller MegaCore Function User Guide
November 2009
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