MPC850DEZQ50BU Freescale Semiconductor, MPC850DEZQ50BU Datasheet - Page 30

• Manufacturer Part Number: MPC850DEZQ50BU
• Description: IC MPU PWRQUICC 50MHZ 256-PBGA
• Manufacturer: Freescale Semiconductor

Specifications of MPC850DEZQ50BU

• Processor Type: MPC8xx PowerQUICC 32-Bit
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 256-PBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

Bus Signal Timing
Figure 19
Figure 20
GPCM.
Figure 21
30
Figure 20. Asynchronous External Master Memory Access Timing (GPCM Controlled—ACS = 00)
CSx, WE[0:3],
R/W, BURST
TSIZ[0:1],
CLKOUT
MPC850 PowerQUICC™ Integrated Communications Processor Hardware Specifications, Rev. 2
provides the timing for the synchronous external master access controlled by the GPCM.
provides the timing for the asynchronous external master memory access controlled by the
provides the timing for the asynchronous external master control signals negation.
OE, GPLx,
TSIZ[0:1],
A[6:31],
CLKOUT
Figure 19. Synchronous External Master Access Timing (GPCM Handled ACS = 00)
A[6:31],
BS[0:3]
R/W
CSx
AS
Figure 21. Asynchronous External Master—Control Signals Negation Timing
CSx
TS
AS
B40
B39
B41
B40
B42
B43
B22
B22
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