參數(shù)資料
型號(hào)： MAX7313DAEG+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 13/26頁(yè)
文件大?。?/td> 0K
描述： IC EXPANDER 16PORT 24QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
接口： I²C
輸入/輸出數(shù)： 16
中斷輸出： 是
頻率 - 時(shí)鐘： 400kHz
電源電壓： 2 V ~ 3.6 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 24-QSOP
包裝： 管件
MAX7313
blink phases (Tables 8 and 9). The effect of setting an
output’s blink phase x register bit to 0 or 1 is shown in
Table 12. LEDs can be flipped between either directly on
and off, or between a variety of high/low PWM intensities.
Global/O16 Intensity Control
The 4 bits used for output O16’s PWM individual inten-
sity setting also double as the global intensity control
(Table 13). Global intensity simplifies the PWM settings
when the application requires them all to be the same,
such as for backlight applications, by replacing the 17
individual settings with 1 setting. Global intensity is
enabled with the Global Intensity flag G in the configu-
ration register (Table 4). When global PWM control is
used, the 4 bits of master intensity and 4 bits of global
intensity effectively combine to provide an 8 bit, 240-
step intensity control applying to all outputs.
It is not possible to apply global PWM control to a sub-
set of the ports, and use the others as logic outputs. To
mix static logic outputs and PWM outputs, individual
PWM control must be selected (Table 10).
Applications Information
Hot Insertion
I/O ports P0–P15, interrupt output INT/016, and serial
interface SDA, SCL, AD0–2 remain high impedance
with up to 6V asserted on them when the MAX7313 is
powered down (V+ = 0V). The MAX7313 can therefore
be used in hot-swap applications.
Output Level Translation
The open-drain output architecture allows the ports to
level translate the outputs to higher or lower voltages
than the MAX7313 supply. An external pullup resistor
can be used on any output to convert the high-imped-
ance logic-high condition to a positive voltage level.
The resistor can be connected to any voltage up to
5.5V. For interfacing CMOS inputs, a pullup resistor
value of 220k
is a good starting point. Use a lower
resistance to improve noise immunity, in applications
where power consumption is less critical, or where a
faster rise time is needed for a given capacitive load.
16-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
20
______________________________________________________________________________________
Table 12. PWM Intensity Settings (Blink Enabled)
EXAMPLES OF LED BLINK BEHAVIOR
(LED IS ON WHEN OUTPUT IS LOW)
PWM DUTY CYCLE
OUTPUT BLINK
PHASE X
REGISTER BIT = 0
PWM DUTY CYCLE
OUTPUT BLINK
PHASE X
REGISTER BIT = 1
OUTPUT
(OR
GLOBAL)
INTENSITY
SETTING
LOW
TIME
HIGH
TIME
LOW
TIME
HIGH
TIME
BLINK PHASE 0
REGISTER BIT = 0
BLINK PHASE 1
REGISTER BIT = 1
BLINK PHASE 0
REGISTER BIT = 1
BLINK PHASE 1
REGISTER BIT = 0
0x0
1/16
15/16
1/16
0x1
2/16
14/16
2/16
0x2
3/16
13/16
3/16
0x3
4/16
12/16
4/16
0x4
5/16
11/16
5/16
0x5
6/16
10/16
6/16
0x6
7/16
9/16
7/16
Phase 0: LED on at low intensity
Phase 1: LED on at high intensity
Phase 0: LED on at high intensity
Phase 1: LED on at low intensity
0x7
8/16
Output is half intensity during both blink phases
0x8
9/16
7/16
9/16
0x9
10/16
6/16
10/16
0xA
11/16
5/16
11/16
0xB
12/16
4/16
12/16
0xC
13/16
3/16
13/16
0xD
14/16
2/16
14/16
0xE
15/16
1/16
15/16
Phase 0: LED on at high intensity
Phase 1: LED on at low intensity
Phase 0: LED on at low intensity
Phase 1: LED on at high intensity
0xF
Static low
Static high
impedance
Static high
impedance
Phase 0: LED on continuously
Phase 1: LED off continuously
Phase 0: LED off continuously
Phase 1: LED on continuously
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參數(shù)描述
MAX7313DAEG+ 功能描述:IC EXPANDER 16PORT 24QSOP RoHS:是 類別:集成電路 (IC) >> 接口 - I/O 擴(kuò)展器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無(wú) 頻率 - 時(shí)鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 包括:EEPROM
MAX7313DAEG+T 功能描述:IC EXPANDER 16PORT 24QSOP RoHS:是 類別:集成電路 (IC) >> 接口 - I/O 擴(kuò)展器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無(wú) 頻率 - 時(shí)鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 包括:EEPROM
MAX7313DATG+ 功能描述:IC EXPANDER 16PORT 24TQFN RoHS:是 類別:集成電路 (IC) >> 接口 - I/O 擴(kuò)展器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無(wú) 頻率 - 時(shí)鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 包括:EEPROM
MAX7313DATG+T 功能描述:IC EXPANDER 16PORT 24TQFN RoHS:是 類別:集成電路 (IC) >> 接口 - I/O 擴(kuò)展器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無(wú) 頻率 - 時(shí)鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 包括:EEPROM
MAX7313EVKIT+ 功能描述:界面開發(fā)工具 Evaluation Kit for the MAX7313 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
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