參數(shù)資料
型號(hào)： AD9211BCPZ-300
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 18/28頁(yè)
文件大?。?/td> 0K
描述： IC ADC 10BIT 300MSPS 56LFCSP
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 10
采樣率（每秒）： 300M
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 468mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 56-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 56-LFCSP-VQ（8x8）
包裝： 托盤
輸入數(shù)目和類型： 2 個(gè)單端，單極；1 個(gè)差分，單極
配用： AD9211-200EBZ-ND - BOARD EVAL FOR AD9211-200
AD9211
Rev. 0 | Page 25 of 28
MEMORY MAP
READING THE MEMORY MAP TABLE
Each row in the memory map table has eight address locations.
The memory map is roughly divided into three sections: chip
configuration register map (Address 0x00 to Address 0x02),
transfer register map (Address 0xFF), and program register map
(Address 0x08 to Address 0x2A).
The Addr. (Hex) column of the memory map indicates the
register address in hexadecimal, and the Default Value (Hex)
column shows the default hexadecimal value that is already
written into the register. The Bit 7 (MSB) column is the start of
the default hexadecimal value given. For example, Hexadecimal
Address 0x09, clock, has a hexadecimal default value of 0x01.
This means Bit 7 = 0, Bit 6 = 0, Bit 5 = 0, Bit 4 = 0, Bit 3 = 0,
Bit 2 = 0, Bit 1 = 0, and Bit 0 = 1, or 0000 0001 in binary. The
default value enables the duty cycle stabilizer. Overwriting this
default so that Bit 0 = 0 disables the duty cycle stabilizer. For more
information on this and other functions, consult the AN-877
application note, Interfacing to High Speed ADCs via SPI.
RESERVED LOCATIONS
Undefined memory locations should not be written to other
than their default values suggested in this data sheet. Addresses
that have values marked as 0 should be considered reserved and
have a 0 written into their registers during power-up.
DEFAULT VALUES
Coming out of reset, critical registers are preloaded with default
values. These values are indicated in Table 13. Other registers
do not have default values and retain the previous value when
exiting reset.
LOGIC LEVELS
An explanation of various registers follows: “Bit is set” is
synonymous with “bit is set to Logic 1” or “writing Logic 1 for
the bit.” Similarly, “clear a bit” is synonymous with “bit is set to
Logic 0” or “writing Logic 0 for the bit.”
Table 13. Memory Map Register
Addr.
(Hex)
Parameter Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Default Notes/
Comments
Chip Configuration Registers
00
chip_port_config
0
LSB
first
Soft
reset
1
Soft
reset
LSB first
0
0x18
The nibbles
should be
mirrored by the
user so that LSB
or MSB first
mode registers
correctly,
regardless of
shift mode.
01
chip_id
8-bit chip ID, Bits[7:0]
AD9211 = 0x06
Read-
only
Default is unique
chip ID, different
for each device.
This is a read-
only register.
02
chip_grade
0
Speed grade:
00 = 300 MSPS
01 = 250 MSPS
10 = 200 MSPS
X
Read-
only
Child ID used to
differentiate
graded devices.
Transfer Register
FF
device_update
0
SW
transfer
0x00
Synchronously
transfers data
from the master
shift register to
the slave.
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