- 您现在的位置：买卖IC网 > PDF目录20150 > MAX6955AAX+T (Maxim Integrated)IC DRVR DSPL LED 36-SSOP PDF资料下载
参数资料
| 型号： | MAX6955AAX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 10/43页 |
| 文件大小： | 0K |
| 描述： | IC DRVR DSPL LED 36-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 显示器类型： | LED |
| 配置： | 7、14、16 段 |
| 接口： | I²C |
| 电流 - 电源： | 22mA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
第1页第2页第3页第4页第5页第6页第7页第8页第9页当前第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页
MAX6955
2-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
Table 5. MAX6955 Address Map
Operation with Multiple Masters
If the MAX6955 is operated on a 2-wire interface with
PIN CONNECTION
DEVICE ADDRESS
multiple masters, a master reading the MAX6955
AD1
GND
GND
GND
GND
V+
V+
V+
V+
SDA
SDA
SDA
SDA
SCL
SCL
SCL
SCL
AD0
GND
V+
SDA
SCL
GND
V+
SDA
SCL
GND
V+
SDA
SCL
GND
V+
SDA
SCL
A6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
should use a repeated start between the write, which
sets the MAX6955’s address pointer, and the read(s)
that takes the data from the location(s). This is because
it is possible for master 2 to take over the bus after
master 1 has set up the MAX6955’s address pointer but
before master 1 has read the data. If master 2 subse-
quently changes the MAX6955’s address pointer, then
master 1’s delayed read may be from an unexpected
location.
Command Address Autoincrementing
Address autoincrementing allows the MAX6955 to be
configured with the shortest number of transmissions by
minimizing the number of times the command byte
needs to be sent. The command address or the font
pointer address stored in the MAX6955 generally incre-
ments after each data byte is written or read (Table 6).
To utilize the autoincrement read cycle feature, the mas-
ter clocks SCL after the first data byte is read, and the
MAX6955 continues sending data, incrementing the
pointer after each byte is sent. A not-acknowledge or
stop condition halts autoincrement.
Message Format for Reading
The MAX6955 is read using the MAX6955’s internally
stored command byte as address pointer, the same
way the stored command byte is used as address
pointer for a write. The pointer generally autoincrements
after each data byte is read using the same rules as for
a write (Table 6). Thus, a read is initiated by first config-
uring the MAX6955’s command byte by performing a
write (Figure 7). The master can now read n consecu-
tive bytes from the MAX6955, with the first data byte
being read from the register addressed by the initial-
ized command byte (Figure 9). When performing read-
after-write verification, reset the command byte ’s
address because the stored byte address generally is
autoincremented after the write (Table 6).
Digit Type Registers
The MAX6955 uses 32 digit registers to store the char-
acters that the user wishes to display. These digit regis-
ters are implemented with two planes, P0 and P1. Each
digit is represented by 2 bytes of memory, 1 byte in
plane P0 and the other in plane P1. The digit registers
are mapped so that a digit’s data can be updated in
plane P0, plane P1, or both planes at the same time
(Table 7).
If the blink function is disabled through the Blink Enable
Bit E (Table 20) in the configuration register, then the
digit register data in plane P0 is used to multiplex the
display. The digit register data in P1 is not used. If the
blink function is enabled, then the digit register data in
both plane P0 and plane P1 are alternately used to mul-
tiplex the display. Blinking is achieved by multiplexing
the LED display using data plane P0 and plane P1 on
alternate phases of the blink clock (Table 21).
Table 6. Command Address Autoincrement Rules
10
COMMAND BYTE
ADDRESS RANGE
x0000000 to x0001100
x0001101
x0001111 to x1111110
x1111111
AUTOINCREMENT BEHAVIOR
Command byte address autoincrements after byte read or written.
Factory reserved; do not write this register.
Command byte address autoincrements after byte read or written.
Command byte address remains at x1111111 after byte read or written.
Maxim Integrated
相关PDF资料 |
PDF描述 |
|---|---|
| TAJC336K020RNJ | CAP TANT 33UF 20V 10% 2312 |
| RSC08DREN | CONN EDGECARD 16POS .100 EYELET |
| VI-24F-EV-F3 | CONVERTER MOD DC/DC 72V 150W |
| VI-24F-EV-F1 | CONVERTER MOD DC/DC 72V 150W |
| RMC08DREN | CONN EDGECARD 16POS .100 EYELET |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6955APL | 制造商:Maxim Integrated Products 功能描述:2-WIRE INTERFACED, 2.7V TO 5.5V LED DISPLAY D - Rail/Tube |
| MAX6955APL+ | 制造商:Maxim from Components Direct 功能描述:MAXIM MAX6955APL+ LED DRIVERS - Rail/Tube 制造商:Maxim Integrated Products 功能描述:LED DRVR 128SEGMENT 2.7V TO 5.5V - Rail/Tube 制造商:Maxim 功能描述:Maxim MAX6955APL+ LED Drivers |
| MAX6955ATL | 功能描述:LED显示驱动器 RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6955ATL+ | 功能描述:LED显示驱动器 2.7-5.5V LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6955ATL+T | 功能描述:LED显示驱动器 2.7-5.5V LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
发布紧急采购，3分钟左右您将得到回复。