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EPCS16

Serial Configuration (EPCS) Devices

Unspecified 

EPCS Device Memory Access

Page 7

EPCS Device Memory Access

This section describes the memory array organization and operation codes of the

EPCS device. For the timing specifications, refer to “Timing Information” on page 29.

Memory Array Organization

Table 2 lists the memory array organization details in EPCS128, EPCS64, EPCS16,

EPCS4, and EPCS1 devices.

Table 2. Memory Array Organization in EPCS Devices

Details

EPCS128

EPCS64

Bytes

Number of sectors

Bytes per sector

Pages per sector

Total number of

pages

Bytes per page

16,777,216 bytes

(128 Mb)

64

262,144 bytes

(2 Mb)

1,024

65,536

256 bytes

8,388,608 bytes

(64 Mb)

128

65,536 bytes

(512 Kb)

256

32,768

256 bytes

EPCS16

2,097,152 bytes

(16 Mb)

32

65,536 bytes

(512 Kb)

256

8,192

256 bytes

EPCS4

524,288 bytes

(4 Mb)

8

65,536 bytes

(512 Kb)

256

2,048

256 bytes

EPCS1

131,072 bytes

(1 Mb)

4

32,768 bytes

(256 Kb)

128

512

256 bytes

Table 3 through Table 7 on page 12 list the address range for each sector in EPCS1,

EPCS4, EPCS16, EPCS64, and EPCS128 devices.

Table 3. Address Range for Sectors in EPCS1 Devices

Sector

3

2

1

0

Address Range (byte Addresses in HEX)

Start

End

H’18000

H’10000

H’08000

H’00000

H’1FFFF

H’17FFF

H’0FFFF

H’07FFF

Table 4. Address Range for Sectors in EPCS4 Devices

Sector

7

6

5

4

3

2

1

0

Address Range (Byte Addresses in HEX)

Start

End

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

April 2014 Altera Corporation

Serial Configuration (EPCS) Devices Datasheet

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