MMC2107 - Freescale Semiconductor

Freescale Semiconductor, Inc.
Signal Description
Introduction
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Freescale Semiconductor, I
4.2 Introduction
NOTE:
The MMC2107 is available in two packages:
• 100-pin Joint-Electron Device Engineering Council (JEDEC)
low-profile quad flat pack (LQFP) — The 100-pin device is a
minimum pin set for single-chip mode implementation.
• 144-pin JEDEC LQFP — The 144-pin implementation includes 44
optional pins as a bond-out option to:
– Accommodate an expanded set of features
– Allow expansion of the number of general-purpose
input/output (I/O)
– Utilize off-chip memory
– Provide enhanced support for development purposes
The optional group of pins includes:
• 23 address output lines
• Four chip selects
• Two emulation chip selects
• Four byte/write enables
• Read/write (R/W) signal
• Output enable signal
• Three transfer code signals
• Six power/ground pins
The optional pins are either all present or none of them are present.
MMC2107 – Rev. 2.0
Technical Data
MOTOROLA Signal Description 109
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