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| 型号： | MM908E624ACDWB/R |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54 |
| 封装： | PLASTIC, SOIC-54 |
| 文件页数： | 15/34页 |
| 文件大小： | 714K |
| 代理商： | MM908E624ACDWB/R |
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Analog Integrated Circuit Device Data
22
Freescale Semiconductor
908E624
Functional Description
Functional Device Operation
INTERRUPTS
In Normal (Run) mode the 908E624 has four different
interrupt sources. An interrupt pulse on the IRQ_A terminal is
generated to report a fault to the MCU. All interrupts are not
maskable and cannot be disabled.
After an Interrupt the INTSRC bit in the SPI Status register
is set, indicating the source of the event. This interrupt source
information is only transferred once, and the INTSRC bit is
cleared automatically.
Low-Voltage Interrupt
Low-voltage interrupt (LVI) is related to external supply
voltage VSUP1. If this voltage falls below the LVI threshold,
it will set the LVF bit in the SPI Status register and an interrupt
will be initiated. The LVF bit remains set as long as the Low-
voltage condition is present.
During Sleep and Stop mode the low-voltage interrupt
circuitry is disabled.
High-Voltage Interrupt
High-voltage interrupt (HVI) is related to external supply
voltage VSUP1. If this voltage rises above the HVI threshold,
it will set the HVF bit in the SPI Status register and an
interrupt will be initiated. The HVF bit remains set as long as
the high-voltage condition is present.
During Sleep and Stop mode the low-voltage interrupt
circuitry is disabled.
Wake-Up Interrupts
In Stop mode the IRQ_A terminal reports wake-up events
on the L1, L2, or the LIN bus to the MCU. All wake-up
interrupts are not maskable and cannot be disabled.
After a wake-up interrupt, the INTSRC bit in the Serial
Peripheral Interface (SPI) Status register is set, indicating the
source of the event. This wake-up source information is only
transferred once, and the INTSRC bit is cleared
automatically.
Figure 11, page 23, describes the Stop/Wake-Up
procedure.
VOLTAGE REGULATOR TEMPERATURE
PREWARNING (VDDT)
Voltage regulator temperature prewarning (VDDT) is
generated if the voltage regulator temperature is above the
TPRE threshold. It will set the VDDT bit in the SPI Status
register and an interrupt will be initiated. The VDDT bit
remains set as long as the error condition is present.
During Sleep and Stop mode the voltage regulator
temperature prewarning circuitry is disabled.
HIGH-SIDE SWITCH THERMAL SHUTDOWN
(HSST)
The high-side switch thermal shutdown HSST is
generated if one of the high-side switches HS1:HS3 is above
the HSST threshold, it will shutdown the corresponding high-
side switch, set the HSST flag in the SPI Status register and
an interrupt will be initiated. The HSST bit remains set as long
as the error condition is present.
During Sleep and Stop mode the high-side switch thermal
shutdown circuitry is disabled.
Table 6. Operating Modes Overview
Device
Mode
Voltage Regulator
Wake-Up
Capabilities
RST_A
Output
Watchdog
Function
HS1, HS2,
and HS3
LIN Interface
Sense
Amplifier
Reset
VDD ON
N/A
LOW
Disabled
Recessive only
Not active
Normal
Request
VDD ON
N/A
HIGH
150 ms time out if
WD enabled
Enabled
Transmit and
receive
Not active
Normal
(Run)
VDD ON
N/A
HIGH
Window WD if
enabled
Enabled
Transmit and
receive
Active
Stop
VDD ON with limited
current capability
LIN wake-up,
L1, L2 state change,
SS
rising edge
HIGH
Disabled
Recessive state with
wake-up capability
Not active
Sleep
VDD OFF
LIN wake-up
L1, L2 state change
LOW
Disabled
Recessive state with
wake-up capability
Not active
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM908E624ACDWBR2 | 功能描述:IC TRPL SWITCH MCU/LIN 54-SOIC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器 - 特定应用 系列:- 产品变化通告:Product Discontinuation 26/Aug/2009 标准包装:250 系列:- 应用:网络处理器 核心处理器:4Kc 程序存储器类型:- 控制器系列:- RAM 容量:16K x 8 接口:以太网，UART，USB 输入/输出数:- 电源电压:1.8V, 3.3V 工作温度:- 安装类型:表面贴装 封装/外壳:208-LQFP 包装:带卷 (TR) 供应商设备封装:PG-LQFP-208 其它名称:SP000314382 |
| MM908E624ACEW | 功能描述:开关 IC - 各种 TRIPLE HIGH SIDE SW RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
| MM908E624ACEW/R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers |
| MM908E624ACEWR2 | 功能描述:电源开关 IC - 配电 TRIPLE HIGH SIDE DRIVER RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MM908E624ACPEW | 功能描述:8位微控制器 -MCU 3 HIGH SIDE SWITCH RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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