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參數(shù)資料
| 型號： | SAFC161O |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 16-Bit Single-Chip Microcontroller |
| 中文描述： | 16位單片機 |
| 文件頁數(shù)： | 15/66頁 |
| 文件大小： | 1102K |
| 代理商： | SAFC161O |
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C161K
C161O
Data Sheet
11
V2.0, 2001-01
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 2 or 4 external CS signals (1 or 3 windows plus default, depending on the device)
can be generated in order to save external glue logic. The C161K/O 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 KByte, or to 64 KByte. In this case
Port 4 outputs four, two, or no address lines at all. It outputs all 6 address lines, if an
address space of 4 MBytes is used.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAF-C161O | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| SAF-C161O-L25M | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
| SAF-C161O-L25M HA | 功能描述:IC MCU 16BIT ROM/LESS MQFP-80-1 RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:C16xx 產(chǎn)品培訓模塊:Graphics LCD System and PIC24 Interface Asynchronous Stimulus 標準包裝:27 系列:PIC® 24H 核心處理器:PIC 芯體尺寸:16-位 速度:40 MIP 連通性:I²C，SPI，UART/USART 外圍設備:欠壓檢測/復位，POR，PWM，WDT 輸入/輸出數(shù):21 程序存儲器容量:12KB（4K x 24） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x10b/12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 包裝:管件 產(chǎn)品目錄頁面:648 (CN2011-ZH PDF) 配用:AC164339-ND - MODULE SKT FOR PM3 28SOICDV164033-ND - KIT START EXPLORER 16 MPLAB ICD2 |
| SAF-C161O-LM | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
| SAF-C161O-LM 3V | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
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