参数资料
型号: MON35W42
厂商: STANDARD MICROSYSTEMS CORP
元件分类: 模拟信号调理
英文描述: Hardware Monitoring IC with Thermal Diode Interface
中文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封装: TQFP-48
文件页数: 3/60页
文件大小: 213K
代理商: MON35W42
11
CR[4Ah] bit6-4 can only be used to access
(read/write) temperature sensor 3 registers.
The
first
serial
bus
address,
CR[48h],
uses 3 hardware setting bits. When pin 43 is set
high, pins 47-45 are used to set the I
2C address
for register CR[48h]. The selected address is
00101[pin45][pin46][pin47]. If pin45=1, pin46=1,
pin47=0, the content of CR[48h] is 00101110.
CR[4Ah] is used to set the other two I
2C
addresses.
If CR[4Ah] bit 2-0 is XXX , the
temperature
sensor
2
serial
address
is
1001XXXG, in which G is the read/write bit. If
CR[4Ah] bit 6-4 is YYY , the temperature sensor
3 serial address is 1001YYYG, in which G is the
read/write bit.
The first serial bus access timing are shown
as follows:
(a) Serial bus write to internal address register followed by the data byte
FIGURE 2 – SERIAL BUS WRITE TO INTERNAL ADDRESS REGISTER
FOLLOWED BY THE DATA BYTE
0
Start By
Master
0
1
0
1
0
1
D7
D6
D5
D4
D3
D2
D1
D0
Ack
by
R/nW
Ack
by
MON35W42
SCL
SDA
D7
D6
D5
D4
D3
D2
D1
D0
Ack
by
Stop
by
Master
SCL
SDA (Continued)
78
0
7
8
0
78
Frame 2
Internal Index Register Byte
(Continued)
Frame 3
Data Byte
Frame 1
Serial Bus Address Byte
MON35W42
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