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參數(shù)資料
| 型號： | KIT908E624DWBEVB |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 14/39頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL 908E624 TRPL W/MCU/LIN |
| 標準包裝： | 1 |
| 系列： | HC08, SMARTMOS™ |
| 類型： | MCU |
| 適用于相關(guān)產(chǎn)品： | MM908E624 |
| 所含物品： | 板，線纜，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 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
21
908E624
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Figure 12. Stop Mode/Wake-up Procedure
ANALOG DIE INPUTS/OUTPUTS
High Side Output Pins HS1 and HS2
These are two high side switches used to drive loads such
as relays or lamps. They are protected with over-temperature
and current limit (over-current) and include an active internal
clamp circuitry for inductive load drive. Control is done using
the SPI Control register. PWM capability is offered through
the PWMIN input pin.
The high side switch is turned on if both the HSxON bit in
the SPI Control register is set and the PWMIN input is HIGH
(refer to Figure 13, page 22). In order to have HS1 on, the
PWMIN must be HIGH and bit HS1ON must be set. The
same applies to the HS2 output.
If no PWM control is required, PWMIN must be connected
to the VDD pin.
Current Limit (Over-current) Protection
These high side switches feature current limit to protect
them 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.
From Reset
initialize
operate
SPI:
2x STOP
Command
STOP
IRQ
interrupt
?
SPI: reason for
interrupt
operate
Switch to VREG
low current mode
Assert IRQ
Switch to VREG
high current mode
MCU
Power Die
Wake-up on
LIN or L1, L2?
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