Altera User Flash Memory - Manual (Page 3)

Memory size is available only for the I2C interface where the size of the memory to be protected is
specified. This option is valid only when the access mode is set to Read and Write. Set this option
in the parameter editor. Note:
(Optimization effort for the I2C interface is set to balanced for all listed combinations).
Table 4: ALTUFM_I2C Resource Usage
UFM Blocks Logic Element Memory Size Access Mode
1 117 1K Read only
1 117 2K Read only
Table 5: ALTUFM_I2C Resource Usage (Read/write access with Memory address erase)
UFM Blocks Write Protection Access Mode Memory Size
Half Memory
Write
Protected Full Memory
Write Protected No Write
Protection
1 156 LE 154 LE 154 LE 1K Read/write
1 157 LE 155 LE 155 LE 2K Read/write
1 120 LE 119 LE 119 LE 4K Read/write
Table 6: ALTUFM_I2C Resource Usage (Read/write access with Device address erase)
UFM Blocks Write Protection Access Mode Memory Size
Half Memory
Write
Protected Full Memory
Write Protected No Write
Protection
1 142 LE 141 LE 141 LE 1K Read/write
1 166 LE 164 LE 164 LE 2K Read/write
Table 7: ALTUFM_I2C Resource Usage (Read/write access with A2 erase)
UFM Blocks Write Protection Access Mode Memory Size
Half Memory
Write
Protected Full Memory
Write Protected No Write
Protection
1 153 LE 151 LE 151 LE 1K Read/write
1 153 LE 152 LE 152 LE 2K Read/write
Altera Corporation Altera User Flash Memory (ALTUFM) IP Core User Guide
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3 Resource Utilization and Performance
UG-040105
2014.08.18