ep2sgx60e Altera Corporation, ep2sgx60e Datasheet - Page 23

• Manufacturer Part Number: ep2sgx60e
• Description: 4. Serial Configuration Devices Epcs1, Epcs4, Epcs16, Epcs64, And Epcs128 Data Sheet
• Manufacturer: Altera Corporation

Altera Corporation
May 2008
Serial Configuration Devices (EPCS1, EPCS4, EPCS16, EPCS64, and EPCS128) Data Sheet
Figure 4–6. Write Disable Operation Timing Diagram
Read Status Operation
The read status operation code is b'0000 0101, with the MSB listed first.
You can use the read status operation to read the status register.
Figures 4–7
serial configuration devices.
Figure 4–7. EPCS4, EPCS16, EPCS64, and EPCS128 Status Register Status Bits
Figure 4–8. EPCS1 Status Register Status Bits
DCLK
DATA
ASDI
nCS
Bit 7
Bit 7
and
4–8
High Impedance
show the status bits in the status register of both
0
1
Block Protect Bits [2..0]
BP2
2
Operation Code
BP1
BP1
Block Protect
3
Configuration Handbook, Volume 2
Bits [1..0]
4
BP0
BP0
5
Write Enable
Write Enable
Latch Bit
Latch Bit
WEL
WEL
6
Progress Bit
Progress Bit
7
Write In
Write In
WIP
WIP
Bit 0
Bit 0
4–23