參數(shù)資料
型號： SAK-C164CH-8FM
廠商： INFINEON TECHNOLOGIES AG
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
封裝： 0.65 MM PITCH, METRIC, PLASTIC, QFP-80
文件頁數(shù)： 22/74頁
文件大?。?/td> 917K
代理商： SAK-C164CH-8FM
&
Data Sheet
27
1999-08
CAN-Module
The integrated CAN-Module handles the completely autonomous transmission and
reception of CAN frames in accordance with the CAN specification V2.0 part B (active),
i.e. the on-chip CAN-Module can receive and transmit standard frames with 11-bit
identifiers as well as extended frames with 29-bit identifiers.
The module provides Full CAN functionality on up to 15 message objects. Message
object 15 may be configured for Basic CAN functionality. Both modes provide separate
masks for acceptance filtering which allows to accept a number of identifiers in Full CAN
mode and also allows to disregard a number of identifiers in Basic CAN mode. All
message objects can be updated independent from the other objects and are equipped
for the maximum message length of 8 bytes.
The bit timing is derived from the CPU clock signal and is programmable up to a data
rate of 1 MBaud. The CAN-Module uses two pins of Port 4 or Port 8 to interface to an
external bus transceiver. The interface pins are assigned via software.
Note: When the CAN interface is assigned to Port 4, the respective segment address
lines on Port 4 cannot be used. This will limit the external address space.
Watchdog Timer
The Watchdog Timer represents one of the fail-safe mechanisms which have been
implemented to prevent the controller from malfunctioning for longer periods of time.
The Watchdog Timer is always enabled after a reset of the chip, and can only be
disabled in the time interval until the EINIT (end of initialization) instruction has been
executed. Thus, the chip’s start-up procedure is always monitored. The software has to
be designed to service the Watchdog Timer before it overflows. If, due to hardware or
software related failures, the software fails to do so, the Watchdog Timer overflows and
generates an internal hardware reset and pulls the RSTOUT pin low in order to allow
external hardware components to be reset.
The Watchdog Timer is a 16-bit timer, clocked with the system clock divided either by 2/
4/128/256. The high byte of the Watchdog Timer register can be set to a prespecified
reload value (stored in WDTREL) in order to allow further variation of the monitored time
interval. Each time it is serviced by the application software, the high byte of the
Watchdog Timer is reloaded. Thus, time intervals between 20
s and 336 ms can be
monitored (@ 25 MHz).
The default Watchdog Timer interval after reset is 5.24 ms (@ 25 MHz).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAK-C164CI-825MDB 制造商:Infineon Technologies AG 功能描述:
SAK-C164CI-8E25M 制造商:Infineon Technologies AG 功能描述:IC 16BIT MCU 64K OTP MQFP80 164 制造商:Infineon Technologies AG 功能描述:IC, 16BIT MCU, 64K OTP, MQFP80, 164
SAKC164CI8E25M DB 制造商:Infineon Technologies AG 功能描述:
SAK-C164CI-8E25M DB 功能描述:16位微控制器 - MCU 16-Bit Sngl-Chip 5V 25MHz OTP RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
SAKC164CI8E25M DB TR 制造商:Infineon Technologies AG 功能描述:
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