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参数资料
| 型号： | MAX7301ATL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER SPI 28B 40TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接口： | SPI/QSPI?/MICROWIRE? |
| 输入/输出数： | 28 |
| 中断输出： | 是 |
| 频率 - 时钟： | 26MHz |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
MAX7301
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port I/O Expander
10
______________________________________________________________________________________
Table 3. Register Address Map
COMMAND ADDRESS
REGISTER
D15
D14
D13
D12
D11
D10
D9
D8
HEX
CODE
No-Op
R/
W
00
0
0x00
Configuration
R/
W
00
1
0
0x04
Transition Detect Mask
R/
W
00
1
0
0x06
Factory Reserved. Do not write to this.
R/
W
00
1
0x07
Port Configuration P7, P6, P5, P4
R/
W
00
01
0
1
0x09
Port Configuration P11, P10, P9, P8
R/
W
00
01
0
1
0
0x0A
Port Configuration P15, P14, P13, P12
R/
W
00
01
0
1
0x0B
Port Configuration P19, P18, P17, P16
R/
W
00
01
1
0
0x0C
Port Configuration P23, P22, P21, P20
R/
W
00
01
1
0
1
0x0D
Port Configuration P27, P26, P25, P24
R/
W
00
01
1
0
0x0E
Port Configuration P31, P30, P29, P28
R/
W
00
01
1
0x0F
Port 0 only (virtual port, no action)
R/
W
01
00
0
0x20
Port 1 only (virtual port, no action)
R/
W
01
00
0
1
0x21
Port 2 only (virtual port, no action)
R/
W
01
00
0
1
0
0x22
Port 3 only (virtual port, no action)
R/
W
01
00
0
1
0x23
Port 4 only (data bit D0. D7–D1 read as 0)
R/
W
01
00
1
0
0x24
Port 5 only (data bit D0. D7–D1 read as 0)
R/
W
01
00
1
0
1
0x25
Port 6 only (data bit D0. D7–D1 read as 0)
R/
W
01
00
1
0
0x26
Port 7 only (data bit D0. D7–D1 read as 0)
R/
W
01
00
1
0x27
Port 8 only (data bit D0. D7–D1 read as 0)
R/
W
01
0
0x28
Port 9 only (data bit D0. D7–D1 read as 0)
R/
W
01
0
1
0x29
Port 10 only (data bit D0. D7–D1 read as 0)
R/
W
01
0
1
0
0x2A
Port 11 only (data bit D0. D7–D1 read as 0)
R/
W
01
0
1
0x2B
Port 12 only (data bit D0. D7–D1 read as 0)
R/
W
01
1
0
0x2C
Port 13 only (data bit D0. D7–D1 read as 0)
R/
W
01
1
0
1
0x2D
Port 14 only (data bit D0. D7–D1 read as 0)
R/
W
01
1
0
0x2E
Port 15 only (data bit D0. D7–D1 read as 0)
R/
W
01
1
0x2F
Port 16 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
0
0x30
Port 17 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
0
1
0x31
Port 18 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
0
1
0
0x32
Port 19 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
0
1
0x33
Port 20 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
1
0
0x34
Port 21 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
1
0
1
0x35
Port 22 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
1
0
0x36
Port 23 only (data bit D0. D7–D1 read as 0)
R/
W
01
10
1
0x37
Port 24 only (data bit D0. D7–D1 read as 0)
R/
W
01
11
0
0x38
Port 25 only (data bit D0. D7–D1 read as 0)
R/
W
01
11
0
1
0x39
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