參數(shù)資料
型號(hào)： C515C
廠商： INFINEON TECHNOLOGIES AG
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 57/96頁
文件大小： 1285K
代理商： C515C
C515C
Data Sheet
53
2003-02
Fail Save Mechanisms
The C515C offers two on-chip peripherals which monitor the program flow and ensure
an automatic “fail-safe” reaction for cases where the controller’s hardware fails or the
software hangs up:
A programmable watchdog timer (WDT) with variable time-out period from
512 microseconds up to approx. 1.1 seconds at 6 MHz.
An oscillator watchdog (OWD) which monitors the on-chip oscillator and forces the
microcontroller into reset state in case the on-chip oscillator fails; it also provides the
clock for a fast internal reset after power-on.
Programmable Watchdog Timer
The watchdog timer in the C515C is a 15-bit timer, which is incremented by a count rate
of
f
OSC
/12 up to
f
OSC
/192. For programming of the watchdog timer overflow rate, the
upper 7 bit of the watchdog timer can be written.
Figure 23
shows the block diagram of
the watchdog timer unit.
Figure 23
Block Diagram of the Programmable Watchdog Timer
The watchdog timer can be started by software (bit SWDT) or by hardware through pin
PE/SWD, but it cannot be stopped during active mode of the C515C. If the software fails
to refresh the running watchdog timer an internal reset will be initiated on watchdog timer
overflow. For refreshing of the watchdog timer the content of the SFR WDTREL is
transferred to the upper 7-bit of the watchdog timer. The refresh sequence consists of
MCB02755
Control Logic
PE/SWD
External HW Power-Down
WDT Reset Request
14
8
WDTH
WDTREL (86H
0
7
6
IEN1 (B8H
IEN0 (A8H
0
7
WDTL
IP0 (A9H
WDT
SWDT
-
-
-
-
-
-
-
-
-
-
-
-
-
-
External HW Reset
-
-
-
-
-
-
-
WDTS
WDTPSEL
÷16
/6
OSC
f
÷2
相關(guān)PDF資料
PDF描述
C515C-8EM RW-D Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 48V; Output Voltage (Vdc): 05V; Power: 2W; DIP24 Low Profile Package; Dual Ouputs from a Single Supply; 2:1 Wide Range Voltage Input; 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protection; Low profile 7mm Height; Approved for Medical Applications; Efficiency to 85%
C515C-8RM RW-S Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 48V; Output Voltage (Vdc): 05V; Power: 2W; DIP24 Low Profile Miniature Package; 1kVDC Isolation; Feedback Regulated Output; 2:1 Wide Range Voltage Input; Continuous Short Circuit Protection; Less than 7mm Height; SMD Pinning Option; Efficiency to 87%
C515C-LM 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
C515C 8-Bit CMOS Microcontroller
C517 8-bit CMOS MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
C515C_9711 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
C515C-8E 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
C515C-8EM 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller
C515C8EMCAFXQMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-bit C500 8051 CISC 64KB EPROM 5V 80-Pin MQFP 制造商:Infineon Technologies AG 功能描述:8 BIT OTP - Trays 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT OTP MQFP-80-1
C515C8EMCAFXUMA1 制造商:Infineon Technologies AG 功能描述:8 BIT OTP - Tape and Reel
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