MC68MH360ZP25VL Freescale Semiconductor, MC68MH360ZP25VL Datasheet - Page 84
MC68MH360ZP25VL
Manufacturer Part Number
MC68MH360ZP25VL
Description
IC MPU QUICC ETHER 25MHZ 357PBGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68MH360VR25LR2.pdf
(158 pages)
Specifications of MC68MH360ZP25VL
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
357-PBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Available stocks
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Quantity
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Part Number:
MC68MH360ZP25VL
Manufacturer:
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5.3.3 MPC860MH Internal Memory Structure
Figure 5-11 shows the internal memory structure of the MPC860MH. To support 32
channels on the MP860, only 2-Kbyte dual-ported RAM is needed for channel-specific
parameters. Each logical channel occupies 64 bytes; thus 32 channels require 2 Kbytes,
leaving 2 Kbytes free in the dual-ported RAM for buffer descriptors for other protocols.
To support 64 channels on the MPC860, 4-Kbyte dual-ported RAM is required for channel-
specific parameters. Each logical channel occupies 64 bytes, requiring 4 Kbytes for 64
channels.
Non-QMC protocol implementations may be constrained by these memory requirements
since their buffer descriptors need to use internal memory space.
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 5-11. MPC860MH Internal Memory
IMMR
IMMR + 0x2000
IMMR + 0x3C00
Parameter RAM
4 Kbytes
Dual-Ported
RAM
Go to: www.freescale.com
4 Kbytes
Internal
Registers
QMC Supplement
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