参数资料
型号: MPC885ZP80
厂商: Freescale Semiconductor
文件页数: 29/87页
文件大小: 0K
描述: IC MPU POWERQUICC 80MHZ 357PBGA
标准包装: 44
系列: MPC8xx
处理器类型: 32-位 MPC8xx PowerQUICC
速度: 80MHz
电压: 3.3V
安装类型: 表面贴装
封装/外壳: 357-BBGA
供应商设备封装: 357-PBGA(25x25)
包装: 托盘
MPC885/MPC880 PowerQUICC Hardware Specifications, Rev. 7
Freescale Semiconductor
35
Bus Signal Timing
Figure 23 provides the timing for the synchronous external master access controlled by the GPCM.
Figure 23. Synchronous External Master Access Timing (GPCM Handled—ACS = 00)
Figure 24 provides the timing for the asynchronous external master memory access controlled by the
GPCM.
Figure 24. Asynchronous External Master Memory Access Timing (GPCM Controlled—ACS = 00)
Figure 25 provides the timing for the asynchronous external master control signals negation.
Figure 25. Asynchronous External Master—Control Signals Negation Timing
CLKOUT
TS
A[0:31],
TSIZ[0:1],
R/W, BURST
CSx
B41
B42
B40
B22
CLKOUT
AS
A[0:31],
TSIZ[0:1],
R/W
CSx
B39
B40
B22
AS
CSx, WE[0:3],
OE, GPLx,
BS[0:3]
B43
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