參數(shù)資料
型號(hào)： 4571
廠商： Renesas Technology Corp.
英文描述： SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述： 單芯片4位微機(jī)的CMOS
文件頁數(shù)： 64/126頁
文件大?。?/td> 1627K
代理商： 4571
Rev.1.02
May 25, 2007
Page 42 of 124
REJ03B0179-0102
4571 Group
VOLTAGE DROP DETECTION CIRCUIT
The built-in voltage drop detection circuit is used to set the
voltage drop detection circuit interrupt request flag (VDF) or to
perform system reset.
The voltage drop detection circuit stops at RAM back-up mode.
Fig 44. Voltage drop detection reset circuit
WEF
VRST-/VRST+
-
+
VINT
-
+
Interrupt occurrence
Reset occurrence
VDF
Voltage drop
detection circuit
interrupt
S
R
Q
Oscillation stop
signal
Key-on
wakeup signal
EPOF instruction
+
POF instruction
Power-on reset circuit
Watchdog reset signal
SRST instruction
Internal reset signal
(Note 1)
RESET pin
(Note 2)
Pull-up transistor
Voltage drop
detection circuit
(Note 1)
Notes 1:
This symbol represents a parasitic diode.
2: Applied potential to RESET pin must be VDD or less.
相關(guān)PDF資料
PDF描述
45722.123.242 1 mm2, COPPER ALLOY, WIRE TERMINAL
45733.201.004 2.5 mm2, COPPER ALLOY, WIRE TERMINAL
45733.417.031 2.5 mm2, WIRE TERMINAL
45744.123.211 6 mm2, COPPER ALLOY, WIRE TERMINAL
45744.201.004 6 mm2, COPPER ALLOY, WIRE TERMINAL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
4571_08 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Standard Characteristics
45-710 制造商:GC Electronics 功能描述:EXTENSION CABLE, PARALLEL, 6FT, PUTTY; Cable Length - Imperial:6ft; Cable Length - Metric:1.83m; Connector Type A:Centronics 36 Position Plug; Connector Type B:Centronics 36 Position Receptacle; Jacket Color:Putty; Cable Color:Putty 制造商:Calrad Electronics 功能描述:Cable Assembly Parallel 6m 28AWG 36 POS SCSI to 36 POS SCSI M-F
4-571011-3 功能描述:ANVIL 制造商:te connectivity amp connectors 系列:* 零件狀態(tài):有效 標(biāo)準(zhǔn)包裝:1
457102-1 制造商:TE Connectivity 功能描述:BLOCK, PLATE MTG - Bulk
45710224PTC2103 制造商:Omron Corporation 功能描述:
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