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參數(shù)資料
| 型號(hào)： | MAX6959BAPE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan |
| 中文描述： | LED DISPLAY DRIVER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 9/19頁(yè) |
| 文件大小： | 270K |
| 代理商： | MAX6959BAPE |
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Operation with Multiple Masters
If the MAX6958/MAX6959 are operated on a 2-wire
interface with multiple masters, a master reading the
MAX6958/MAX6959 should use a repeated start
between the write, which sets the MAX6958/MAX6959s
’
address pointer, and the read(s) that takes the data
from the location(s) set by the address pointer. It is
possible for master 2 to take over the bus after master
1 has set up the MAX6958/MAX6959s
’
address pointer
but before master 1 has read the data. If master 2 sub-
sequently changes the MAX6958/MAX6959s
’
address
pointer, then master 1's delayed read may be from an
unexpected location.
Command Address Autoincrementing
Address autoincrementing allows the MAX6958/
MAX6959 to be configured with the shortest number of
transmissions by minimizing the number of times the
command byte needs to be sent. The address pointer
stored in the MAX6958/MAX6959 increments after each
data byte is written or read, unless the address equals
01111111 (Table 3).
Digit Type Registers
The MAX6958/MAX6959 store display data in five regis-
ters. The four digit registers each control the seven
numeric segments of a seven-segment digit, but not
the DP segments. The segments register controls eight
individual LEDs, which can be any mix of discrete LEDs
and any or all of the DP segments of the four 7-seg-
ment digits (Table 5) (Figure 10).
M
2-Wire Interfaced, 3V to 5.5V, 4-Digit,
9-Segment LED Display Drivers with Keyscan
_______________________________________________________________________________________
9
COMMAND BYTE
ADDRESS RANGE
AUTOINCREMENT BEHAVIOR
00000000 to
01111110
Command byte address autoincrements
after byte read or written
01111111
Command byte address remains at
01111111 after byte written or read
Table 3. Command Address
Autoincrement Behavior
COMMAND ADDRESS
D13
D12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
REGISTER
D15
0
0
0
0
0
0
0
0
D14
0
0
0
0
0
0
0
0
D11
0
0
0
0
0
0
0
0
D10
0
0
0
0
1
1
1
1
D9
0
0
1
1
0
0
1
1
D8
0
1
0
1
0
1
0
1
HEX
CODE
No-op
Decode mode
Intensity
Scan limit
Configuration
Factory reserved. Do not write to this register.
GPIO (MAX6959 only)
Display test
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
Read key debounced (MAX6959 only)
A write to this register is ignored.
0
0
0
0
1
0
0
0
0x08
Read key pressed (MAX6959 only)
A write to this register is ignored.
0
0
0
0
1
1
0
0
0x0C
Digit 0
Digit 1
Digit 2
Digit 3
Segments
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
0x20
0x21
0x22
0x23
0x24
Table 4. Register Address Map
a
b
c
d
e
f
g
dp
Figure 10. Segment Labeling for 7-Segment Display
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6959BAPE+ | 功能描述:LED顯示驅(qū)動(dòng)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 |
| MAX6959EVKIT+ | 功能描述:LED 照明開(kāi)發(fā)工具 Evaluation Board RoHS:否 制造商:Fairchild Semiconductor 產(chǎn)品:Evaluation Kits 用于:FL7732 核心: 電源電壓:120V 系列: 封裝: |
| MAX695C/D | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX695C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX695CPE | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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