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| 型号： | ST6246BB6/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP56 |
| 封装： | 0.600 INCH, PLASTIC, SDIP-56 |
| 文件页数： | 47/73页 |
| 文件大小： | 1806K |
| 代理商： | ST6246BB6/XXX |
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ST62T46B/E46B
4.6 POWERSUPPLY SUPERVISOR DEVICE (PSS)
The Power Supply Supervisor device, described in
the Figure 31, permits supervising the crossing of
the PSS pin voltage (VPSS) through a program-
mable voltage (mxVDD/n), where n and m can be
chosen by software. This device includes:
– An internal comparator which is connected to the
internal INT line to make an interrupt request to
the Core.
– 2 resistive voltage dividers that are, respectively,
supplied by the PSS pin and the VDD pin. These
two voltage dividers are both connected to the
two inputs of the internal comparator. They con-
sist of 13 identical resistors. It is possible to se-
lect by software 5 voltage rates on the PSS
divider (nxVPSS/13) and 4 voltage rates on the
VDD divider (mxVDD/13). The n and m values can
be chosen by software. These two voltage divid-
ers are disconnected in STOP mode, and when
the PSS device is OFF.
– An internal device that allows the detection with
an hysteresis of VDD/13.
The PSS device is supplied by an internal connec-
tion to VDD supply. The following paragraphs de-
scribe the operating mode of the PSS device and
the PSS register that permits control over the PSS
device. The PSS device is switched off as soon as
the Core executes the STOP instruction, but con-
tinues to work in the WAIT mode.
Figure 30. PSS Device Operating Modes
Description
Figure 31. PSS Device Block Diagram
VPSS
t
(m+1)x/VDD/13
mx/VDD/13
PIF
1
0
t
nxVPSS/13
VR02044A
PSS
VDD
PSS ON
INTERRUPT LINE
PIF
2k
(UP to 13 STEPS)
2k
(UP to 13 STEPS)
SEQUENCER
& LOGIC
SYNCHRO
+
-
VA0060
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST6246B-EMU2 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:REAL TIME EMULATION DEVELOPMENT TOOLS FOR ST6 MCU FAMILY |
| ST6246-P/QFP | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:REAL TIME EMULATION DEVELOPMENT TOOLS FOR ST6 MCU FAMILY |
| ST6-24B20 | 功能描述:电源变压器 SPLIT BOBBIN HORZ MOUNT XFMR RoHS:否 制造商:Triad Magnetics 功率额定值:12 VA 初级电压额定值:115 V / 230 V 次级电压额定值:12 V / 24 V 安装风格:SMD/SMT 一次绕组:Dual Primary Winding 二次绕组:Dual Secondary Winding 长度:2.5 in 宽度:2 in 高度:1.062 in |
| ST624OB-EMU2 | 制造商:STMicroelectronics 功能描述:ST62 EMULATOR |
| ST624X | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8/16-Bit Micros |
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