參數資料
型號： SAF-C161S-L25M AA
廠商： Infineon Technologies
文件頁數： 8/75頁
文件大?。?/td> 0K
描述： IC MCU 16BIT ROM/LESS MQFP-80-7
標準包裝： 1
系列： C16xx
核心處理器： C166
芯體尺寸： 16-位
速度： 25MHz
連通性： EBI/EMI，SPI，UART/USART
外圍設備： POR，PWM，WDT
輸入/輸出數： 63
程序存儲器類型： ROMless
RAM 容量： 2K x 8
電壓 - 電源 (Vcc/Vdd)： 4.5 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 80-QFP
包裝： 剪切帶 (CT)
產品目錄頁面： 736 (CN2011-ZH PDF)
其它名稱： SAF-C161S-L25MAACT
SAF-C161S-L25MAACT-ND
SAF-C161S-L25MAAINCT
C161S
Functional Description
Data Sheet
12
V1.0, 2003-11
3.2
External Bus Controller
All of the external memory accesses are performed by a particular on-chip External Bus
Controller (EBC). It can be programmed either to Single Chip Mode when no external
memory is required, or to one of four different external memory access modes, which are
as follows:
16-/18-/20-/22-bit Addresses, 16-bit Data, Demultiplexed
16-/18-/20-/22-bit Addresses, 16-bit Data, Multiplexed
16-/18-/20-/22-bit Addresses, 8-bit Data, Multiplexed
16-/18-/20-/22-bit Addresses, 8-bit Data, Demultiplexed
In the demultiplexed bus modes, addresses are output on PORT1 and data is
input/output on PORT0 or P0L, respectively. In the multiplexed bus modes both
addresses and data use PORT0 for input/output.
Important timing characteristics of the external bus interface (Memory Cycle Time,
Memory Tri-State Time, Length of ALE and Read Write Delay) have been made
programmable to allow the user the adaption of a wide range of different types of
memories and external peripherals.
In addition, up to 4 independent address windows may be defined (via register pairs
ADDRSELx / BUSCONx) which control the access to different resources with different
bus characteristics. These address windows are arranged hierarchically where
BUSCON4 overrides BUSCON3 and BUSCON2 overrides BUSCON1. All accesses to
locations not covered by these 4 address windows are controlled by BUSCON0.
Up to 4 external CS signals (3 windows plus default) can be generated in order to save
external glue logic. The C161S offers the possibility to switch the CS outputs to an
unlatched mode. In this mode the internal filter logic is switched off and the CS signals
are directly generated from the address. The unlatched CS mode is enabled by setting
CSCFG (SYSCON.6).
For applications which require less than 4 Mbytes of external memory space, this
address space can be restricted to 1 Mbyte, 256 Kbytes, or to 64 Kbytes. In this case
Port 4 outputs four, two, or no address lines at all. It outputs all 6 address lines, if the full
address width is used.
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相關代理商/技術參數
參數描述
SAFC161SL25MAAXT 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit C166 CISC/RISC ROMLess 5V 80-Pin MQFP
SAF-C161S-LM 3V 制造商:Infineon Technologies AG 功能描述:IC 16BIT MCU ROM/ROMLESS SMD 161
SAF-C161S-LM 3V AA 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 3.3V 20MHz ROM less RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數據總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數據 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 安裝風格:SMD/SMT
SAF-C161S-LM3V 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller
SAFC161SLM3VAAXT 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit C166 CISC/RISC ROMLess 3.3V 80-Pin MQFP
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