参数资料
型号: MAX7315AEE+T
厂商: Maxim Integrated Products
文件页数: 6/26页
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
接口: I²C,SM 总线
输入/输出数: 8
中断输出:
频率 - 时钟: 400kHz
电源电压: 2 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
MAX7315
8-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
14
______________________________________________________________________________________
Table 3. Power-Up Configuration
REGISTER DATA
REGISTER FUNCTION
POWER-UP CONDITION
ADDRESS
CODE
(HEX)
D7
D6
D5
D4
D3
D2
D1
D0
Blink phase 0 outputs P7–P0
High-impedance outputs
0x01
1
Ports configuration P7–P0
Ports P7–P0 are inputs
0x03
1
Blink phase 1 outputs P7–P0
High-impedance outputs
0x09
1
Master, O8 intensity
PWM oscillator is disabled;
O8 is static logic output
0x0E
0
1
Configuration
INT/O8 is interrupt output;
blink is disabled;
global intensity is enabled
0x0F
0
1
0
Outputs intensity P1, P0
P1, P0 are static logic outputs
0x10
1
Outputs Intensity P3, P2
P3, P2 are static logic outputs
0x11
1
Outputs intensity P5, P4
P5, P4 are static logic outputs
0x12
1
Outputs intensity P7, P6
P7, P6 are static logic outputs
0x13
1
Table 4. Configuration Register
REGISTER DATA
REGISTER
ADDRESS
CODE
(HEX)
D7
D6
D5
D4
D3
D2
D1
D0
CONFIGURATION
R/
W
INTERRUPT
STATUS
INTERRUPT
OUTPUT
CONTROL
AS
GPO
INTERRUPT
ENABLE
GLOBAL
INTENSITY
BLINK
FLIP
BLINK
ENABLE
Write device configuration
0
X
Read-back device configuration
1
INT
O
O1
O0
I
G
B
E
Disable blink
XXXXXXX
0
Enable blink
XXXXXXX
1
XXXXXX
01
Flip blink register (see text)
XXXXXX
11
Disable global intensity control—intensity
is set by registers 0x10–0x13 for ports P0
through P7 when configured as outputs,
and by D3–D7 of register 0x0E for INT/O8
when INT/O8 pin is configured as an
output port
XXXXX
0
XX
Enable global intensity control—intensity
for all ports configured as outputs is set
by D3–D0 of register 0x0E
0x0F
XXXXX
1
XX
X = Don’t care.
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