参数资料
型号: TLE6266G
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: 18 MM, PLASTIC, SOP-28
文件页数: 18/50页
文件大小: 1020K
代理商: TLE6266G
Datasheet TLE 6266 G
Version 2.21
25
July 29th, 2005
Figure 10
Cyclic Wake with Cyclic Wake Autotiming Function
Normal Mode
Cyclic HSON
Cyclic HS OFF
SPI
cyclic HS
ON
Mode State
SPI word*
t
PWM
HS3
t
Watchdog trigger bit
=SPI bit0**
SPI
normal
mode
PWM
trigger
Windowwatchdog***
CSN,
Normal Mode
closed
window
open
window
open
window
closed
window
long open window
Cyclic HS ON
long open window
Cyclic HS ON
closed
window
open
window
closed
window
open
window
missing trigger =
timeout =
Watchdog Reset
long open window
Normal Mode
Vbat Stdby
PWMtrigger
Watchdog reset pulse timet
WDR
** bit0 is transfered with the SPI input word
BUT
the watchdog trigger is set, after readout of
the SPI input bit = CSN LOWto HIGH
(see arrows at CSN signal)
* for the exact timing relations between CSN
and SPI-DI and -DOword please look at
datasheet fig. 11,12,13,14,15
*** for a correct watchdog triggering:
closed window must always exceed 12 cycles
open window is max. 20 cycles
long open window is max. 128 cycles
otherwise
a watchdog reset will be generated
SPI
normal
mode
SPI
cyclic HS
ON
Cyclic wake time
48ms selected
48ms
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