參數(shù)資料
型號: AD9204-20EBZ
廠商: Analog Devices Inc
文件頁數(shù): 26/36頁
文件大?。?/td> 0K
描述: BOARD EVALUATION 20MSPS AD9204
設(shè)計資源: AD9650,92xx Schematic
AD92xx/AD9650 Gerber Files
標準包裝: 1
ADC 的數(shù)量: 2
位數(shù): 10
采樣率(每秒): 20M
數(shù)據(jù)接口: 串行,SPI?
輸入范圍: 1 ~ 2 Vpp
在以下條件下的電源(標準): 76.7mW @ 20MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD9204
已供物品:
AD9204
Rev. 0 | Page 32 of 36
MEMORY MAP REGISTER TABLE
All address and bit locations that are not included in Table 17 are not currently supported for this device.
Table 17.
Addr
(Hex)
Register
Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Comments
Chip Configuration Registers
0x00
SPI port
configuration
(global)
0
LSB
first
Soft reset
1
Soft
reset
LSB first
0
0x18
The nibbles are
mirrored so that
LSB- or MSB-first
mode registers
correctly, regard-
less of shift mode
0x01
Chip ID (global)
8-bit chip ID bits [7:0]
AD9204 = 0x25
Unique chip ID
used to diffe-
rentiate devices;
read only
0x02
Chip grade
(global)
Open
Speed grade ID 6:4
20 MSPS = 000
40 MSPS = 001
65 MSPS = 010
80 MSPS = 011
Open
Unique speed
grade ID used to
differentiate
devices; read only
Device Index and Transfer Registers
0x05
Open
ADC B
default
ADC A
default
0xFF
Bits are set to
determine which
device on-chip
receives the next
write command;
the default is all
devices on-chip
0xFF
Transfer
Open
Transfer
0x00
Synchronously
transfers data
from the master
shift register to
the slave
Program Registers (May or May Not Be Indexed by Device Index)
0x08
power-
down
enable
(local)
External pin function
0x00 full power-down
0x01 standby
(local)
Open
00 = chip run
01 = full power-
down
10 = standby
11 = chip wide
digital reset
(local)
0x80
Determines
various generic
modes of chip
operation
0x09
Clock (global)
Open
Duty
cycle
stabilize
0x00
0x0B
Clock divide
(global)
Open
Clock divider [2:0]
Clock divide ratio
000 = divide by 1
001 = divide by 2
010 = divide by 3
011 = divide by 4
100 = divide by 5
101 = divide by 6
110 = divide by 7
111 = divide by 8
0x00
The divide ratio is
the value plus 1
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