参数资料
型号: AD9518-1A/PCBZ
厂商: Analog Devices Inc
文件页数: 42/64页
文件大小: 0K
描述: BOARD EVALUATION FOR AD9518-1A
设计资源: AD9518 Schematics
AD9518 Gerber Files
AD9518-1 BOM
标准包装: 1
主要目的: 计时,时钟发生器
嵌入式:
已用 IC / 零件: AD9518-1A
主要属性: 2 输入,6 输出,2.5GHz VCO
次要属性: LVPECL 输出逻辑
已供物品:
Data Sheet
AD9518-1
Rev. C | Page 47 of 64
Reg.
Addr.
(Hex)
Parameter
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
Default
Value
(Hex)
System
0x230
Power-down
and sync
Reserved
Power
down sync
Power
down
distribution
reference
Soft sync
0x00
0x231
Blank
Reserved
0x00
Update All Registers
0x232
Update all
registers
Blank
Update all
registers
(self-clearing
bit)
0x00
CONTROL REGISTER MAP DESCRIPTIONS
Table 43 through Table 49 provide a detailed description of each of the control register functions. The registers are listed by hexadecimal
address. A range of bits (for example, from Bit 5 through Bit 2) is indicated using a colon and brackets, as follows: [5:2].
Table 43. Serial Port Configuration and Part ID
Reg.
Addr
(Hex)
Bits
Name
Description
0x000
[7:4]
Mirrored, Bits[3:0]
Bits[7:4] should always mirror Bits[3:0] such that it does not matter whether the part is in MSB
or LSB first mode (see Bit 1, Register 0x000). The user should set the bits as follows:
Bit 7 = Bit 0.
Bit 6 = Bit 1.
Bit 5 = Bit 2.
Bit 4 = Bit 3.
3
Long instruction
Short/long instruction mode. This part uses long instruction mode only, so this bit should
always be set to 1b.
0: 8-bit instruction (short).
1: 16-bit instruction (long) (default).
2
Soft reset
Soft reset.
1: soft reset; restores default values to internal registers. Not self-clearing. Must be cleared to
0b to complete reset operation.
1
LSB first
MSB or LSB data orientation.
0: data-oriented MSB first; addressing decrements (default).
1: data-oriented LSB first; addressing increments.
0
SDO active
Selects unidirectional or bidirectional data transfer mode.
0: SDIO pin used for write and read; SDO set to high impedance; bidirectional mode (default).
1: SDO used for read, SDIO used for write; unidirectional mode.
0x003
[7:0]
Part ID (read only)
Uniquely identifies the dash version (-0 through -4) of the AD9518.
AD9518-0: 0x21.
AD9518-1: 0x61.
AD9518-2: 0xA1.
AD9518-3: 0x63.
AD9518-4: 0xE3.
0x004
0
Read back active registers
Selects register bank used for a readback.
0: reads back buffer registers (default).
1: reads back active registers.
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