OPERATIONAL MODES Sleep and Stop Mode
參數(shù)資料
型號(hào): KIT908E624DWBEVB
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 15/39頁(yè)
文件大小: 0K
描述: KIT EVAL 908E624 TRPL W/MCU/LIN
標(biāo)準(zhǔn)包裝: 1
系列: HC08, SMARTMOS™
類(lèi)型: MCU
適用于相關(guān)產(chǎn)品: MM908E624
所含物品: 板,線(xiàn)纜,CD
相關(guān)產(chǎn)品: MM908E624ACEWR2DKR-ND - IC SWITCH TRPL HI MCU/LIN 54SOIC
MM908E624ACEWR2CT-ND - IC SWITCH TRPL HI MCU/LIN 54SOIC
MM908E624ACDWB-ND - IC TRPL SWITCH MCU/LIN 54-SOIC
MM908E624ACDWBR2-ND - IC TRPL SWITCH MCU/LIN 54-SOIC
MM908E624AYEWR2-ND - IC TRPL SWITCH MCU/LIN 54-SOIC
MM908E624AYEW-ND - IC TRPL SWITCH MCU/LIN 54-SOIC
MM908E624ACEWR2TR-ND - IC SWITCH TRPL HI MCU/LIN 54SOIC
MM908E624ACEW-ND - IC SWITCH TRIPLE MCU/LIN 54-SOIC
Analog Integrated Circuit Device Data
22
Freescale Semiconductor
908E624
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Sleep and Stop Mode
In Sleep and Stop modes the high sides are disabled.
High Side Output HS3
This high side switch can be used to drive small lamps,
Hall-effect sensors, or switch pull-up resistors. Control is
done using the SPI Control register. No direct PWM control is
possible on this pin (refer to Figure 14, page 22).
Current Limit (Over-current) Protection
This high side feature switch feature current limit to protect
it against over-current and short-circuit conditions.
Over-temperature Protection
If an over-temperature condition occurs on any of the three
high side switches, all high side switches (HS1, HS2, and
HS3) are turned off and latched off. The failure is reported by
the HSST bit in the SPI Control register.
Sleep and Stop Mode
In Sleep and Stop mode the high side is disabled.
.
Figure 13. High Side HS1 and HS2 Circuitry
.
Figure 14. High Side HS3 Circuitry
LIN PHYSICAL LAYER
The LIN bus pin provides a physical layer for single-wire
communication in automotive applications. The LIN physical
layer is designed to meet the LIN physical layer specification.
The LIN driver is a low side MOSFET with over-current
protection and thermal shutdown. An internal pull-up resistor
with a serial diode structure is integrated, so no external
pullup components are required for the application in a slave
node. The fall time from dominant to recessive and the rise
time from recessive to dominant is controlled. The symmetry
between both slew rate controls is guaranteed.
The slew rate can be selected for optimized operation at
10 and 20 kBit/s as well as a fast baud rate for test and
programming. The slew rate can be adapted with the bits
LINSL2:1 in the SPI Control Register. The initial slew rate is
optimized for 20 kBit/s.
VSUP2
HSx
High Side Driver
Charge Pump,
Current Limit Protection,
Over-temperature Protection
Control
On/Off
Status
MODE1:2
HSxON
PWMIN
VSUP2
HS3
High Side Driver
Charge Pump,
Current Limit Protection,
Over-temperature Protection
Control
On/Off
Status
MODE1:2
HS3ON
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