參數(shù)資料
型號: ISPCLOCK5600
廠商: Lattice Semiconductor Corporation
英文描述: In-System Programmable, Zero-Delay Clock Generator with Universal Fan-Out Buffer
中文描述: 在系統(tǒng)可編程,零延遲時鐘發(fā)生器通用扇出緩沖器
文件頁數(shù): 37/47頁
文件大?。?/td> 871K
代理商: ISPCLOCK5600
Lattice Semiconductor
ispClock5600 Family Data Sheet
37
scan operation, after power-up of the device, or by issuing a Test-Logic-Reset instruction. The bit code for this
instruction is de
fi
ned by Lattice as shown in Table 8.
Figure 32. ispClock5600 Family ID Codes
In addition to the four instructions described above, there are 20 unique instructions speci
fi
ed by Lattice for the
ispClock5620. These instructions are primarily used to interface to the various user registers and the E
2
CMOS non-
volatile memory. Additional instructions are used to control or monitor other features of the device, including bound-
ary scan operations. A brief description of each unique instruction is provided in detail below, and the bit codes are
found in Table 8.
PROGRAM_ENABLE
– This instruction enables the ispClock5600’s programming mode.
PROGRAM_DISABLE
– This instruction disables the ispClock5600’s programming mode.
BULK_ERASE
– This instruction will erase all E
2
CMOS bits in the device, including the UES data and electronic
security fuse (ESF). A bulk erase instruction must be issued before reprogramming a device. The device must
already be in programming mode for this instruction to execute.
ADDRESS_SHIFT
– This instruction shifts address data into the address register (10 bits) in preparation for either
a PROGRAM or VERIFY instruction.
DATA_SHIFT
– This instruction shifts data into or out of the data register (90 bits), and is used with both the PRO-
GRAM and VERIFY instructions.
PROGRAM
– This instruction programs the contents of the data register to the E
2
CMOS memory column pointed
to by the address register. The device must already be in programming mode for this instruction to execute.
PROG_INCR
– This instruction
fi
rst programs the contents of the data register into E
2
CMOS memory column
pointed to by the address register and then auto-increments the value of the address register. The device must
already be in programming mode for this instruction to execute.
PROGRAM_SECURITY
– This instruction programs the electronic security fuse (ESF). This prevents data other
than the ID code and UES strings from being read from the device. The electronic security fuse may only be reset
by issuing a BULK_ERASE command. The device must already be in programming mode for this instruction to exe-
cute.
XXXX
/
0000 0001 0110 0001
/
0000 0100 001
/
1
MSB
LSB
Part Number
(16 bits)
0161h = ispClock5610
(3.3V version)
Version
(4 bits)
E
2
Configured
JEDEC Manufacturer
Identity Code for
Lattice Semiconductor
(11 bits)
Constant ‘1’
(1 bit)
per 1149.1-1990
XXXX
/
0000 0001 0110 0000
/
0000 0100 001
/
1
MSB
LSB
Part Number
(16 bits)
0160h = ispClock5620
(3.3V version)
Version
(4 bits)
E
2
Configured
JEDEC Manufacturer
Identity Code for
Lattice Semiconductor
(11 bits)
Constant ‘1’
(1 bit)
per 1149.1-1990
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