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| 型号： | TLE7824G |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封装： | GREEN, PLASTIC,SOP-28 |
| 文件页数： | 2/53页 |
| 文件大小： | 900K |
| 代理商： | TLE7824G |
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TLE7824G
Operating Modes
Data Sheet
10
Rev. 3.01, 2008-04-15
4
Operating Modes
The TLE7824G incorporates several SBC operating modes, that are listed in Table 1.
The System-Basis-Chip (SBC) offers several operation modes that are controlled via three mode select bits MS0,
MS1 and MS2 within the SPI: SBC Active, Sleep and Stop mode, as well as LIN Receive-Only mode.
An overview of the operating modes and the operating mode transitions is indicated in Figure 4 below.
Note: It is possible to directly change from Stand-By to Stop or Sleep mode, however this might result in a higher
current consumption (~200A). The higher current consumption will occur in case of a power up and in case
of a LIN wake-up from Stop and Sleep mode. To avoid this conditions its recommended to prior set Active
mode before changing to Stop or Sleep mode.
Table 1
SBC Operating Modes
Functional Block
SBC Standby
Mode
SBC Active Mode SBC Stop Mode
SBC Sleep Mode
V
CC, 5 V, LDO
ONONON
OFF
Window Watchdog
ON
OFF / ON1)2)
1) WD “off” when voltage-regulator output current below “watchdog disable current threshold”
OFF / ON2)
2) WD default “off” in SBC Stop / Sleep Mode; WD can be active in order to generate period wake-ups of SBC
Monitoring / wake-up pins
ON / OFF3)
SPI-controlled
ON / OFF3)
ON / OFF3)
LS1,LS2 -switch
OFF
SPI-controlled
OFF
Supply Output
ON / OFF3)
3) “ON / OFF” state is inherited from previous operating mode (“OFF” after POR and RESET)
SPI-controlled
ON / OFF3)
OFF
HS-LED
OFF
SPI-controlled
OFF
16-bit SPI
ON
OFF
LIN wake-up via bus
message
ON
OFF
ON
LIN Transmit
OFF
ON
OFF
LIN Receive
OFF
ON
OFF
RxD
Active low wake-up
interrupt
L / H
Active low wake-up
interrupt
Active low wake-up
interrupt
Measurement I/F
OFF
SPI-controlled
OFF
VAREF
OFF
ON (2.5V)
OFF
Voltage Monitoring at
V
S
and
V
BAT
OFF
ON
OFF
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