參數(shù)資料
型號(hào)： SAF-XC164LM-8F40F
廠商： INFINEON TECHNOLOGIES AG
英文描述： 16-Bit Single-Chip Microcontroller with C166SV2 Core
中文描述： 16位單片機(jī)與C166SV2核心
文件頁(yè)數(shù)： 56/60頁(yè)
文件大小： 552K
代理商： SAF-XC164LM-8F40F
XC164LM
Derivatives
Electrical Parameters
Data Sheet
54
V1.0, 2005-11
4.3.2
The XC164LM’s Flash module delivers data within a fixed access time (see
Table 4-7
).
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. The required Flash waitstates depend 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%.
On-chip Flash Operation
Example: For an operating frequency of 40 MHz (clock cycle = 25 ns), the Flash
accesses must be executed with 1 waitstate: ((1+1)
×
25 ns)
≥
50 ns.
Table 4-8
indicates the interrelation of waitstates and system frequency.
Note: The maximum achievable system frequency is limited by the properties of the
respective derivative, i.e. 40 MHz (or 20 MHz for XC164LM-xF20F devices).
Table 4-7
Parameter
Flash Characteristics
(Operating Conditions apply)
Symbol
Limit Values
Typ.
–
2
2)
200
2)
Unit
Min.
Max.
50
1)
5
500
Flash module access time
Programming time per 128-byte block
t
PR
Erase time per sector
t
ACC
CC –
CC –
CC –
1) The actual access time is influenced by the system frequency, see
Table 4-8
.
2) Programming and erase time depends on the system frequency. Typical values are valid for 40MHz.
ns
ms
ms
t
ER
Table 4-8
Required Waitstates
0 WS (WSFLASH = 00
B
)
1 WS (WSFLASH = 01
B
)
Flash Access Waitstates
Frequency Range
f
CPU
≤
20 MHz
f
CPU
≤
40 MHz
相關(guān)PDF資料
PDF描述
SAF-XC164N-16F20F 16-Bit Single-Chip Microcontroller with C166SV2 Core
SAF-XC164N-16F40F 16-Bit Single-Chip Microcontroller with C166SV2 Core
SAF-XC164N-8F20F 16-Bit Single-Chip Microcontroller with C166SV2 Core
SAF-XC164N-8F40F 16-Bit Single-Chip Microcontroller with C166SV2 Core
SAF-XC164S-8F20F 16-Bit Single-Chip Microcontroller with C166SV2 Core
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF-XC164LM-8F40F AA 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 5V 40MHz Flash 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
SAFXC164LM8F40FAAXT 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit XC166 CISC/DSP/RISC 64KB Flash 2.5V/5V 64-Pin TQFP
SAF-XC164N-16F20F 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller with C166SV2 Core
SAF-XC164N-16F20F BB 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 5V 20MHz Flash 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
SAF-XC164N-16F40F 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller with C166SV2 Core
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