參數(shù)資料
型號(hào)： AD9510BCPZ
廠商： Analog Devices Inc
文件頁數(shù)： 36/56頁
文件大?。?/td> 0K
描述： IC CLOCK DIST 8OUT PLL 64LFCSP
標(biāo)準(zhǔn)包裝： 1
類型： 扇出緩沖器（分配），除法器
PLL： 是
輸入： 時(shí)鐘
輸出： CMOS，LVDS，LVPECL
電路數(shù)： 1
比率 - 輸入:輸出： 2:8
差分 - 輸入:輸出： 是/是
頻率 - 最大： 1.2GHz
除法器/乘法器： 是/無
電源電壓： 3.135 V ~ 3.465 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 64-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 64-LFCSP-VQ（9x9）
包裝： 托盤
配用： AD9510-VCO/PCBZ-ND - BOARD EVALUATION FOR AD9510
AD9510/PCBZ-ND - BOARD EVALUATION FOR AD9510
Data Sheet
AD9510
Rev. B | Page 41 of 56
Read
If the instruction word is for a read operation (I15 = 1b), the
next N × 8 SCLK cycles clock out the data from the address
specified in the instruction word, where N is 1 to 4 as determined
by W1:W0. The readback data is valid on the falling edge of SCLK.
The default mode of the AD9510 serial control port is unidirec-
tional mode; therefore, the requested data appears on the SDO
pin. It is possible to set the AD9510 to bidirectional mode by
writing the SDO enable register at Register 0x00[7] = 1b. In
bidirectional mode, the readback data appears on the SDIO pin.
A readback request reads the data that is in the serial control
port buffer area, not the active data in the actual control
registers of the AD9510.
Figure 45. Relationship Between Serial Control Port Register Buffers and
Control Registers of the AD9510
The AD9510 uses Address 0x00 to Address 0x5A. Although the
AD9510 serial control port allows both 8-bit and 16-bit instruc-
tions, the 8-bit instruction mode provides access to five address
bits (A4 to A0) only, which restricts its use to the address space
Address 0x00 to Address 0x01. The AD9510 defaults to 16-bit
instruction mode on power-up. The 8-bit instruction mode
(although defined for this serial control port) is not useful for the
AD9510; therefore, it is not discussed further in this data sheet.
THE INSTRUCTION WORD (16 BITS)
The MSB of the instruction word is R/W, which indicates whether
the instruction is a read or a write. The next two bits, W1:W0,
indicate the length of the transfer in bytes. The final 13 bits are
the address (A12:A0) at which to begin the read or write operation.
For a write, the instruction word is followed by the number of
bytes of data indicated by Bits W1:W0, which is interpreted
according to Table 21.
Table 21. Byte Transfer Count
W1
W0
Bytes to Transfer
0
1
0
1
2
1
0
3
1
Streaming mode
A12:A0: These 13 bits select the address within the register map
that is written to or read from during the data transfer portion
of the communications cycle. The AD9510 does not use all of
the 13-bit address space. Only Bits[A6:A0] are needed to cover
the range of the Address 0x5A registers used by the AD9510.
Bits[A12:A7] must always be 0b. For multibyte transfers, this
address is the starting byte address. In MSB first mode,
subsequent bytes increment the address.
MSB/LSB FIRST TRANSFERS
The AD9510 instruction word and byte data can be MSB first or
LSB first. The default for the AD9510 is MSB first. Set the LSB
first mode by writing 1b to Register 0x00[6]. This takes effect
immediately (since it only affects the operation of the serial
control port) and does not require that an update be executed.
Immediately after the LSB first bit is set, all serial control port
operations are changed to LSB first order.
When MSB first mode is active, the instruction and data bytes
must be written from MSB to LSB. Multibyte data transfers in
MSB first format start with an instruction byte that includes the
register address of the most significant data byte. Subsequent
data bytes must follow in order from high address to low
address. In MSB first mode, the serial control port internal
address generator decrements for each data byte of the
multibyte transfer cycle.
When LSB_FIRST = 1b (LSB first), the instruction and data bytes
must be written from LSB to MSB. Multibyte data transfers in
LSB first format start with an instruction byte that includes the
register address of the least significant data byte followed by mul-
tiple data bytes. The serial control port internal byte address
generator increments for each byte of the multibyte transfer cycle.
The AD9510 serial control port register address decrements
from the register address just written toward Address 0x0000
for multibyte input/output operations if the MSB first mode is
active (default). If the LSB first mode is active, the serial control
port register address increments from the address just written
toward Address 0x1FFF for multibyte input/output operations.
Unused addresses are not skipped during multibyte input/output
operations; therefore, it is important to avoid multibyte input/
output operations that would include these addresses.
05046-
018
SCLK
SDIO
SDO
CSB
UPDATE
REGISTERS
0x5A[0]
SERIAL
CONTROL
PORT
RE
G
IS
T
E
R
BUF
F
E
RS
AD9510
CORE
C
ON
TR
OL
R
E
GIS
TE
R
S
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