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| 型号： | SC18IS600IBS,151 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线控制器 |
| 英文描述： | I2C BUS CONTROLLER, PQCC24 |
| 封装： | 4 X 4 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT616-3, HVQFN-24 |
| 文件页数： | 9/30页 |
| 文件大小： | 164K |
| 代理商： | SC18IS600IBS,151 |
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SC18IS600_601_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 28 July 2008
17 of 30
NXP Semiconductors
SC18IS600/601
SPI to I2C-bus interface
6.6.9 Power-down mode
The SC18IS600/601 can be placed in a low-power mode where the internal oscillator is
stopped and it will no longer respond to SPI messages. Enter the Power-down mode by
sending the power-down command (0x30) followed by the two dened bytes, which are
0x5A followed by 0xA5. If the exact message is not received, the device will not enter the
power-down state.
Before entering the power-down state, WAKEUP/IO4 should be placed in a HIGH state.
To exit the power-down state, the WAKEUP/IO4 should be brought LOW. After leaving the
power-down state, the WAKEUP/IO4 can once again be used as a general-purpose IO
pin.
7.
Limiting values
[1]
This product includes circuitry specically designed for the protection of its internal devices from the damaging effects of excessive
static charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maximum.
[2]
Parameters are valid over the operating temperature range unless otherwise specied. All voltages are with respect to VSS unless
otherwise noted.
[3]
Based on package heat transfer, not device power consumption.
Fig 21. Power-down mode
002aab725
0x30
COMMAND
SPI host sends
0x5A
CS
SCLK
MOSI
character 0xA5
character 0x5A
character 0x30
0xA5
Table 10.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).[1][2]
Symbol
Parameter
Conditions
Min
Max
Unit
Tamb(bias)
bias ambient temperature
operating
55
+125
°C
Tstg
storage temperature
65
+150
°C
Vn
voltage on any other pin
referenced to VSS
0.5
+5.5
V
IOH(I/O)
HIGH-level output current per input/output pin
-
8
mA
IOL(I/O)
LOW-level output current per input/output pin
-
20
mA
II/O(tot)(max)
maximum total I/O current
-
120
mA
Ptot/pack
total power dissipation per package
[3] -
1.5
W
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