参数资料
型号: MPC5200VR466BR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 466 MHz, MICROPROCESSOR, PBGA272
封装: 27 X 27 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, BGA-272
文件页数: 25/80页
文件大小: 788K
代理商: MPC5200VR466BR2
Electrical and Thermal Characteristics
MPC5200B Data Sheet, Rev. 0.6
Freescale Semiconductor
31
Figure 13. Timing Diagram—MUXed Mode
3.3.8
ATA
The MPC5200B ATA Controller is completely software programmable. It can be programmed to operate
with ATA protocols using their respective timing, as described in the ANSI ATA-4 specification. The ATA
interface is completely asynchronous in nature. Signal relationships are based on specific fixed timing in
terms of timing units (nanoseconds).
ATA data setup and hold times, with respect to Read/Write strobes, are software programmable inside the
ATA Controller. Data setup and hold times are implemented using counters. The counters count the
number of ATA clock cycles needed to meet the ANSI ATA-4 timing specifications. For details, see the
ANSI ATA-4 specification [5] and how to program an ATA Controller and ATA drive for different ATA
protocols and their respective timing. See the MPC5200B User Manual [1].
The MPC5200B ATA Host Controller design makes data available coincidentally with the active edge of
the WRITE strobe in PIO and Multiword DMA modes.
PCI CLK
AD[24:0] (wr)
CSx
R/W
ALE
AD[30:28] (wr)
AD[26:25] (wr)
AD[31,27] (wr)
Address[7:31]
Bank[0:1] bits
TSIZ[0:2] bits
ACK
Data
Data tenure
Address tenure
TS
Data
AD[31:0] (rd)
Data
t4
t13
t5
t1
Address latch
t7
t6
t11
t9
t12
t10
t8
t2
t3
OE
t14
t15
t16
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