参数资料
型号: W83L786NG
厂商: WINBOND ELECTRONICS CORP
元件分类: 通信及网络
英文描述: SPECIALTY TELECOM CIRCUIT, PDSO20
封装: 0.209 INCH, LEAD FREE, SSOP-20
文件页数: 6/50页
文件大小: 998K
代理商: W83L786NG
W83L786NR/ W83L786NG
Publication Release Date: March 31, 2006
- 9 -
Revision 0.9
(b) Serial bus read from a register
0
D7
D6
D5
D4
D3
D2
D1
D0
Nak
by
Master
Ack
by
792D
78
0
78
0
Frame 4
Data Byte
Frame 3
Serial Bus Address Byte
Figure 2. Serial Bus Read from Internal Address Register
Stop by
Master
0
Start By
Master
01011
01
D7
D6
D5
D4
D3
D2
D1
D0
R/W
Ack
by
792D
SCL
SDA
78
0
7
8
0
Frame 2
Internal Index Register Byte
Frame 1
Serial Bus Address Byte
Ack
by
792D
0101101
R/W
Repeat
start
by
Master
7.4 Analog Inputs
The maximum input voltage of the analog pin is 2.048V because the 8-bit ADC has the 8mV LSB.
Actually, the application of the voltage monitoring would most often be connected to power suppliers.
The input voltage lower than 2.048V could directly connect to the analog inputs. The inputs voltage
higher than 2.048V should be reduced by external resistors so as to meet the input range. This is
shown in Figure 3.
VCORE(M ax2.048V)
8-bit ADC
with
8mV LSB
Typical Thermister
Connection
R THM
Pin 15
VTIN1
Pin 10
Positive Inputs
10K, 25 C
**The connections of D+
is same as VTIN1
Pin 13
VREF
10K, 1%
Pin 14
R1
100K, 1%
R2
100K, 1%
VRAM (M ax2.048V)
+2.5V
Figure 3
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