Serial Configuration Devices (EPCS1, EPCS4, EPCS16 & EPCS64) Data Sheet
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.
Serial
Configuration
Device Memory
Access
1
Information on EPCS16 and EPCS64 devices will be available
when devices are available.
Memory Array Organization
Table 4–5 provides details on the memory array organization in EPCS4
and EPCS1 devices.
Table 4–5. Memory Array Organization in Serial Configuration Devices
Details
EPCS4
EPCS1
Bytes (bits)
524,888 bytes (4 Mbits)
131, 072 bytes (1 Mbit)
Number of sectors
Bytes (bits) per sector
Pages per sector
8
65,536 bytes (512 Kbits)
256
4
32,768 bytes (256 Kbits)
128
512
Total number of pages
Bytes per page
2,048
256 bytes
256 bytes
Tables 4–6 and 4–7 show the address range for each sector in the EPCS4
and EPCS1 devices, respectively.
Table 4–6. Address Range for Sectors in EPCS4 Devices
Address Range (Byte Addresses in HEX)
Sector
Start
End
7
6
5
4
3
2
1
0
H'70000
H'60000
H'50000
H'40000
H'30000
H'20000
H'10000
H'00000
H'7FFFF
H'6FFFF
H'5FFFF
H'4FFFF
H'3FFFF
H'2FFFF
H'1FFFF
H'0FFFF
Altera Corporation
July 2004
Core Version a.b.c variable
4–9
Configuration Handbook, Volume 2
ALTERA [ ALTERA CORPORATION ]
