am42dl3224gt71it Meet Spansion Inc., am42dl3224gt71it Datasheet - Page 10

• Manufacturer Part Number: am42dl3224gt71it
• Description: Stacked Multi-chip Package Mcp Flash Memory And Sram 32 Megabit 4 M X 8-bit/2 M X 16-bit Cmos 3.0 Volt-only, Simultaneous Operation Flash Memory And 4 Mbit 256 K X 16-bit Static Ram
• Manufacturer: Meet Spansion Inc.

DEVICE BUS OPERATIONS
This section describes the requirements and use of
the device bus operations, which are initiated through
the internal command register. The command register
itself does not occupy any addressable memory loca-
t ion. The reg ister is a lat ch used t o store th e
commands, along with the address and data informa-
tion needed to execute the command. The contents of
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P R E L I M I N A R Y
Am42DL32x4G
the register serve as inputs to the internal state ma-
chine. The state machine outputs dictate the function
of the device. Tables 1 through 2 list the device bus
operations, the inputs and control levels they require,
and the resulting output. The following subsections de-
scribe each of these operations in further detail.
May 19, 2003