qh25f320s33b8 Numonyx, qh25f320s33b8 Datasheet - Page 25

• Manufacturer Part Number: qh25f320s33b8
• Description: Numonyx? Serial Flash Memory S33
• Manufacturer: Numonyx

Numonyx™ Serial Flash Memory (S33)
Figure 14: Hold State – Non-standard Usage
8.2
Table 15: SPI Command Set (Sheet 1 of 2)
December 2007
Order Number: 314822-03
Write SPI SR
Page Program
Read Data Bytes
Write Disable
Read SR
Write Enable
Fast Read Data Bytes
Clear SR Fail Flags
Parameter Block
Erase
OTP Program
Read OTP Data Bytes
Read ID
Release from DPD
only
Instruction
HOLD#
S#
C
SPI Command Set
The SPI Command Set is found in
OP Codes) that are supported by the SPI interface. All other OP Codes will be ignored.
All commands support frequencies up to 68 MHz except for the Read Data Bytes
command (03h). The Read Data Bytes command (03h) supports up to 33.3 MHz.
Op Code
0Bh
4Bh
ABh
01h
02h
03h
04h
05h
06h
30h
40h
42h
9Fh
Bytes
Addr
–
3
3
–
–
–
3
–
3
3
3
–
–
DummyB
ytes
–
–
–
–
–
–
1
–
–
–
1
–
–
Hold State Active
Table
1 to infinite
1 to infinite
1 to infinite
1 to infinite
Delay
1 to 256
Bytes
1 to 3
Data
Non-standard Usage
1
–
–
1
–
15. This table defines the commands (and the
-
-
Hold State
Hold State
Overwrites SR[7, 4:2] and (BP[2:0] SRWD). When
W# = V
SRWD cannot be changed.
Programs up to 256 bytes within a 256-byte-
aligned main memory region.
Supports up to 33.3 MHz Clock.
Clears the WEL bit (SR1)
Continuously Polls the SR
Sets the WEL bit (SR1).
Supports up to a 68 MHz Clock; protocol uses a
dummy byte.
Resets the Erase Fail Flag and the Program Fail
Flag (SR5 and SR6, respectively)
Erases the specified parameter block; it is ignored
when the address is outside parameter block
space.
Programs one byte of data in the OTP memory
space.
Reads data in the OTP memory space. For details
refer to
Data” on page 36
Device ID:
1st Byte = MFG ID
2nd Byte = Upper Byte,
3rd Byte = Lower Byte
Brings the device out of DPD mode into standby
mode after the t
IL
Section 9.1.2, “Reading OTP
& SRWD = 1, the values of BP[2:0] &
Name and Function
Hold State Inactive
RDP
latency.
Delay
.
Datasheet
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