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EPCS4SI8 Datasheet(PDF) 7 Page - Altera Corporation |
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EPCS4SI8 Datasheet(HTML) 7 Page - Altera Corporation |
7 / 38 page Chapter 3: Serial Configuration Devices (EPCS1, EPCS4, EPCS16, EPCS64, and EPCS128) Data Sheet 3–7 Serial Configuration Device Memory Access © December 2009 Altera Corporation Configuration Handbook (Complete Two-Volume Set) Serial Configuration Device Memory Access This section describes the serial configuration device’s memory array organization and operation codes. Timing specifications for the memory are provided in the “Timing Information” section. Memory Array Organization Table 3–2 provides details about the memory array organization in EPCS128, EPCS64, EPCS16, EPCS4, and EPCS1. Table 3–3 through Table 3–7 list the address range for each sector in EPCS128, EPCS64, EPCS16, EPCS4, and EPCS1. Table 3–2. Memory Array Organization in Serial Configuration Devices Details EPCS128 EPCS64 EPCS16 EPCS4 EPCS1 Bytes (bits) 16,777,216 bytes (128 Mbits) 8,388,608 bytes (64 Mbits) 2,097,152 bytes (16 Mbits) 524,288 bytes (4 Mbits) 131,072 bytes (1 Mbit) Number of sectors 64 128 32 8 4 Bytes (bits) per sector 262,144 bytes (2 Mbits) 65,536 bytes (512 Kbits) 65,536 bytes (512 Kbits) 65,536 bytes (512 Kbits) 32,768 bytes (256 Kbits) Pages per sector 1,024 256 256 256 128 Total number of pages 65,536 32,768 8,192 2,048 512 Bytes per page 256 bytes 256 bytes 256 bytes 256 bytes 256 bytes Table 3–3. Address Range for Sectors in EPCS128 (Part 1 of 3) Sector Address Range (Byte Addresses in HEX) Start End 63 H'FC0000 H'FFFFFF 62 H'F80000 H'FBFFFF 61 H'F40000 H'F7FFFF 60 H'F00000 H'F3FFFF 59 H'EC0000 H'EFFFFF 58 H'E80000 H'EBFFFF 57 H'E40000 H'E7FFFF 56 H'E00000 H'E3FFFF 55 H'DC0000 H'DFFFFF 54 H'D80000 H'DBFFFF 53 H'D40000 H'D7FFFF 52 H'D00000 H'D3FFFF 51 H'CC0000 H'CFFFFF 50 H'C80000 H'CBFFFF 49 H'C40000 H'C7FFFF 48 H'C00000 H'C3FFFF |
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