参数资料
型号: SAK-XC167CI-16F40F
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封装: 0.50 MM PITCH, GREEN, PLASTIC, TQFP-144
文件页数: 72/90页
文件大小: 1187K
代理商: SAK-XC167CI-16F40F
XC167CI-16F
Derivatives
Electrical Parameters
Data Sheet
72
V1.3, 2006-08
4.4.2
On-chip Flash Operation
The XC167’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
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), devices can be
operated with 1 waitstate: ((1+1)
× 25 ns) ≥ 50 ns.
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 xxx-16F20F devices).
Table 17
Flash Characteristics
(Operating Conditions apply)
Parameter
Symbol
Limit Values
Unit
Min.
Typ.
Max.
Flash module access time
t
ACC
CC
50
ns
Programming time per 128-byte block
t
PR
CC
21)
1) Programming and erase time depends on the system frequency. Typical values are valid for 40 MHz.
5ms
Erase time per sector
t
ER
CC
2001)
500
ms
Table 18
Flash Access Waitstates
Required Waitstates
Frequency Range for
0 WS (WSFLASH = 00B)
f
CPU ≤ 20 MHz
1 WS (WSFLASH = 01B)
f
CPU ≤ 40 MHz
相关PDF资料
PDF描述
SAF-XC167CI-16F20F 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP144
SAK-XC2298H-136F80L 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP176
SAK-XC2298H-200F100L 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP176
SAH-XC2298H-136F100L 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP176
SAF-XC2299H-200F100L 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP176
相关代理商/技术参数
参数描述
SAK-XC167CI-16F40F BB 功能描述:16位微控制器 - MCU 16 BIT SNGL CHIP 5V 40MHz Flash RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
SAKXC167CI16F40FBB 制造商:Infineon Technologies AG 功能描述:
SAK-XC167CI-16F40FBB 制造商:Infineon Technologies AG 功能描述:
SAKXC167CI16F40FBBTR 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述:
SAKXC167CI16F40FTR 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit XC166 CISC/DSP/RISC 128KB Flash 2.5V/5V 144-Pin TQFP T/R