参数资料
型号: ZL50114GAG2
厂商: XILINX INC
元件分类: 通信及网络
英文描述: SPECIALTY TELECOM CIRCUIT, PBGA552
封装: 35 X 35 MM, 1.27 MM PITCH, LEAD FREE, PLASTIC, MS-034, BGA-552
文件页数: 55/113页
文件大小: 2004K
代理商: ZL50114GAG2
ZL50110/11/12/14
Data Sheet
46
Zarlink Semiconductor Inc.
CPU_OE
I
AE14
CPU Output Enable.
Synchronously asserted with respect to
CPU_CLK rising edge, and active low.
Used for CPU reads from the processor
to registers within the ZL50110/11/12/14.
Asserted one clock cycle after
CPU_TS_ALE. Must be asserted with
CPU_CS to asynchronously enable the
CPU_DATA output during a read,
including DMA read.
CPU_TS_ALE
I
AE15
Synchronous input with rising edge of
CPU_CLK.
Latch Enable (ALE), active high signal.
Asserted with CPU_CS, for a single
clock cycle.
CPU_SDACK1
I
AF15
CPU/DMA 1 Acknowledge Input. Active
low synchronous to CPU_CLK rising
edge. Used to acknowledge request
from ZL50110/11/12/14 for a DMA write
transaction. Only used for DMA
transfers, not for normal register access.
CPU_SDACK2
I
AD15
CPU/DMA 2 Acknowledge Input Active
low synchronous to CPU_CLK rising
edge. Used to acknowledge request
from ZL50110/11/12/14 for a DMA read
transaction. Only used for DMA
transfers, not for normal register access.
CPU_CLK
I
AC14
CPU PowerQUICC II Bus Interface
clock input. 66 MHz clock, with minimum
of 6 ns high/low time. Used to time all
host interface signals into and out of
ZL50110/11/12/14 device.
Signal
I/O
Package Balls
Description
Table 15 - CPU Interface Package Ball Definition (continued)
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