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參數(shù)資料
| 型號(hào)： | X9429WV14ZT1 |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 18/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC XDCP SGL 64-TAP 10K 14-TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | XDCP™ |
| 接片： | 64 |
| 電阻（歐姆）： | 10k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±300 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
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7
FN8248.3
October 13, 2008
TABLE 1. INSTRUCTION SET
Read Wiper Counter Register (read the current wiper
position of the selected pot), write Wiper Counter Register
(change current wiper position of the selected pot), read
Data Register (read the contents of the selected nonvolatile
register) and write Data Register (write a new value to the
selected Data Register). The sequence of operations is
shown in Figure 4.
The Increment/Decrement command is different from the
other commands. Once the command is issued and the
X9429 has responded with an acknowledge, the master can
clock the selected wiper up and/or down in one segment
steps; thereby, providing a fine tuning capability to the host.
For each SCL clock pulse (tHIGH) while SDA is HIGH, the
selected wiper will move one resistor segment towards the
VH/RH terminal. Similarly, for each SCL clock pulse while
SDA is LOW, the selected wiper will move one resistor
segment towards the VL/RL terminal. A detailed illustration of
the sequence and timing for this operation are shown in
NOTE: (1)1/0 = data is one or zero
INSTRUCTION
INSTRUCTION SET
OPERATION
I3
I2
I1
I0
R1
R0
X1
X0
Read Wiper Counter Register
1
0
1
0
Read the contents of the Wiper Counter Register
Write Wiper Counter Register
1
0
1
0
Write new value to the Wiper Counter Register
Read Data Register
1
0
1
1/0
0
Read the contents of the Data Register pointed to by R1 - R0
Write Data Register
1
0
1/0
0
Write new value to the Data Register pointed to by R1 - R0
XFR Data Register to Wiper
Counter Register
1
0
1
1/0
0
Transfer the contents of the Data Register pointed to by R1 - R0
to its Wiper Counter Register
XFR Wiper Counter
Register to Data Register
1
0
1/0
0
Transfer the contents of the Wiper Counter Register to the Data
Register pointed to by R1 - R0
Increment/Decrement Wiper
Counter Register
0
1
0
Enable Increment/decrement of the Wiper Counter Register
S
T
A
R
T
0
1
0
1
A3 A2 0
A0
A
C
K
I3
I2
I1
I0
R1 R0
0
A
C
K
SCL
SDA
S
T
O
P
A
C
K
0
D5 D4
D3 D2
D1 D0
FIGURE 4. THREE-BYTE INSTRUCTION SEQUENCE
S
T
A
R
T
01
A3
A2
0A0
A
C
K
I3
I2
I1
I0
R0
0
A
C
K
SCL
SDA
S
T
O
P
I
N
C
1
I
N
C
2
I
N
C
n
D
E
C
1
D
E
C
n
R1
FIGURE 5. INCREMENT/DECREMENT INSTRUCTION SEQUENCE
X9429
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