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參數(shù)資料
| 型號： | SAK-XC164CB-32F40F |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封裝： | 0.0197 INCH PITCH, PLASTIC, TQFP-100 |
| 文件頁數(shù)： | 66/80頁 |
| 文件大?。?/td> | 1163K |
| 代理商： | SAK-XC164CB-32F40F |
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XC164-32
Derivatives
Electrical Parameters
Data Sheet
67
V1.0, 2005-06
4.4.2
On-chip Flash Operation
The XC164’s Flash module delivers data within a fixed access time (see Table 17).
Accesses to the Flash module are controlled by the PMI and take 1 + WS clock cycles,
where WS is the number of Flash access waitstates selected via bitfield WSFLASH in
register IMBCTRL. The resulting duration of the access phase must cover the access
time
t
ACC of the Flash array. Therefore, the required Flash waitstates depend on the
available speed grade as well as on the actual system frequency.
Note: The Flash access waitstates only affect non-sequential accesses. Due to
prefetching mechanisms, the performance for sequential accesses (depending on
the software structure) is only partially influenced by waitstates.
In typical applications, eliminating one waitstate increases the average
performance by 5% … 15%.
Example: For an operating frequency of 40 MHz (clock cycle = 25 ns), Standard devices
must be operated with 2 waitstates: ((2 + 1)
× 25 ns) ≥ 70 ns.
Grade A devices can be operated with 1 waitstate: ((1 + 1)
× 25 ns) ≥ 50 ns.
Table 18 indicates the interrelation of waitstates, system frequency, and speed grade.
Note: The maximum achievable system frequency is limited by the properties of the
respective derivative, i.e. 40 MHz (or 20 MHz for xxx-32F20F devices).
Table 17
Flash Characteristics (Operating Conditions apply)
Parameter
Symbol
Limit Values
Unit
Min.
Typ.
Max.
Flash module access time (Standard)
t
ACC
CC
–
701)
1) The actual access time is also influenced by the system frequency, so the frequency ranges are not fully linear.
See Table 18.
ns
Flash module access time (Grade A)
t
ACC
CC
–
ns
Programming time per 128-byte block
t
PR
CC
–
22)
2) Programming and erase time depends on the system frequency. Typical values are valid for 40 MHz.
5ms
Erase time per sector
t
ER
CC
–
2002)
500
ms
Table 18
Flash Access Waitstates
Required Waitstates
Frequency Range for
Standard Flash Speed
Frequency Range for
Flash Speed Grade A
0 WS (WSFLASH = 00B)
f
CPU ≤ 16 MHz
f
CPU ≤ 20 MHz
1 WS (WSFLASH = 01B)
f
CPU ≤ 28 MHz
f
CPU ≤ 40 MHz
2 WS (WSFLASH = 10B)
f
CPU ≤ 40 MHz
f
CPU ≤ 40 MHz
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAK-XC164CL-32F20F | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller with C166SV2 Core |
| SAK-XC164CL-32F40F | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller with C166SV2 Core |
| SAK-XC164CM-16F20F BA | 功能描述:16位微控制器 - MCU 16 BIT SINGLE CHIP W/ C166SV2 CORE 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 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| SAK-XC164CM-16F20FBA | 制造商:Infineon Technologies AG 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
| SAK-XC164CM-16F40F BA | 功能描述:16位微控制器 - MCU MICROCONTROLLER 16-BIT 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 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
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