Mitsubishi Q2ACPU, User Manual

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18.
18 - 1
MEMORY CARDS AND BATTERIES
18 MEMORY CARDS AND BATTERIES
This section describes the specifications and handling of the memory cards and batteries
that can be used with the QnACPU.
18.1 Memory Card Specifications
The specifications of the memory cards that can be used with QnACPU conform to JEIDA
Ver. 4.0.
(1) SRAM type memory cards
Item
Model Name
Q1MEM-64S Q1MEM-128S Q1MEM-256S Q1MEM-512S Q1MEM-1MS Q1MEM-2MS
SRAM memory
capacity before
formatting
64k bytes 128k bytes 256k bytes 512k bytes 1M bytes 2M bytes
SRAM memory
capacity after
formatting
59k bytes 123k bytes 250.5k bytes 506k bytes 1016.5k bytes 2036k bytes
Number of storable
files
118 128 256
Insertion/removal
limit
5000 times
External dimensions
85.6mm (3.3inch) 54mm (2.1inch) 3.3mm (0.1inch)
Weight 0.04kg
(2) SRAM + E
2
PROM type memory cards
Item
Model Name
Q1MEM-64SE Q1MEM-128SE Q1MEM-256SE Q1MEM-512SE Q1MEM-1MSE
Memory capacity before formatting
32k bytes 64k bytes 128k bytes 256k bytes 512k bytes
SRAM
E
2
PROM
32k bytes 64k bytes 128k bytes 256k bytes 512k bytes
Memory capacity after formatting
28.5k bytes 58.5k bytes 122.5k bytes 250k bytes 505.5k bytes
SRAM
E
2
PROM
29k bytes 59k bytes 123k bytes 250.5k bytes 506k bytes
Number of storable files
57 117 128
SRAM
E
2
PROM
58 118 128
Maximum number of writes to E
2
PROM
10,000 times