參數(shù)資料
型號： MAX6958AAPE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 顯示驅(qū)動器
英文描述： Dual 4-Bit Binary Counters 14-CFP -55 to 125
中文描述： LED DISPLAY DRIVER, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 7/19頁
文件大?。?/td> 270K
代理商： MAX6958AAPE
Bit Transfer
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable while SCL
is high (Figure 4).
Acknowledge
The acknowledge bit is a clocked 9th bit that the recipi-
ent uses to handshake receipt of each byte of data
(Figure 5). Thus, each byte transferred effectively
requires 9 bits. The master generates the 9th clock
pulse, and the recipient pulls down SDA during the
acknowledge clock pulse, such that the SDA line is sta-
ble low during the high period of the clock pulse. When
the master is transmitting to the MAX6958/MAX6959,
the MAX6958/MAX6959 generate the acknowledge bit
because the MAX6958/MAX6959 are the recipients.
When the MAX6958/MAX6959 are transmitting to the
master, the master generates the acknowledge bit
because the master is the recipient.
Slave Address
The MAX6958/MAX6959 have a 7-bit-long slave
address (Figure 3). The eighth bit following the 7-bit
slave address is the R/
W
bit. Set the R/
W
bit low for a
write command and high for a read command.
The MAX6958/MAX6959 are available in one of two
possible slave addresses (see Table 2 and
Ordering
Information
). The first 6 bits (MSBs) of the MAX6958/
MAX6959 slave address are always 011100. Slave
address bit A0 is internally hardwired to either GND in
the MAX695_A_, or V+ in the MAX695_B_. A maximum
of two MAX6958/MAX6959 devices can share a bus.
Message Format for Writing
A write to the MAX6958/MAX6959 comprises the trans-
mission of the MAX6958/MAX6959s
’
slave address with
the R/
W
bit set to zero, followed by at least 1 byte of
information. The first byte of information is the com-
mand byte, which determines the register that stores
the next byte written to the MAX6958/MAX6959. If a
STOP condition is detected after the command byte is
received, the MAX6958/MAX6959 take no further action
(Figure 6) beyond storing the command byte.
Table 2. MAX6958/MAX6959 Address Map
M
2-Wire Interfaced, 3V to 5.5V, 4-Digit,
9-Segment LED Display Drivers with Keyscan
_______________________________________________________________________________________
7
SDA
SCL
0
1
A0
MSB
LSB
R/W
ACK
1
1
0
0
Figure 3. Slave Address
SDA
DATA STABLE,
DATA VALID
CHANGE OF
DATA ALLOWED
SCL
Figure 4. Bit Transfer
1
SCL
START
CONDITION
SDA
2
8
9
CLOCK PULSE FOR
ACKNOWLEDGMENT
ACKNOWLEDGE
NOT ACKNOWLEDGE
Figure 5. Acknowledge
MAX6958/MAX6959 DEVICE ADDRESS
A6
A5
A4
A3
0
1
1
1
0
1
1
1
SLAVE ADDRESS
BIT A0
A2
0
0
A1
0
0
A0
0
1
MAX695_A_
MAX695_B_
S
A
0
SLAVE ADDRESS
COMMAND BYTE
ACKNOWLEDGE FROM
MAX6958/MAX6959
R/W
ACKNOWLEDGE FROM
MAX6958/MAX6959
D15
D14
D13
D12
D11
D10
D9
D8
COMMAND BYTE IS STORED ON RECEIPT OF STOP CONDITION
A
P
Figure 6. Command Byte Received
相關(guān)PDF資料
PDF描述
MAX6959 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
MAX6959AAPE 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
MAX6958-MAX6959 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
MAX6959AAEE Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:8; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight
MAX6959BAEE 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6958AAPE+ 功能描述:LED顯示驅(qū)動器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6958BAEE 功能描述:LED顯示驅(qū)動器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6958BAEE+ 功能描述:LED顯示驅(qū)動器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6958BAEE+T 功能描述:LED顯示驅(qū)動器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6958BAEE-T 功能描述:LED顯示驅(qū)動器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
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