参数资料
型号: SAF-C164CL-8R25M
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP80
封装: 0.65 MM PITCH, METRIC, PLASTIC, QFP-80
文件页数: 59/79页
文件大小: 1314K
代理商: SAF-C164CL-8R25M
C164CI/SI
C164CL/SL
Data Sheet
58
V2.0, 2001-05
Memory Cycle Variables
The timing tables below use three variables which are derived from the BUSCONx
registers and represent the special characteristics of the programmed memory cycle.
The following table describes, how these variables are to be computed.
Note: Please respect the maximum operating frequency of the respective derivative.
AC Characteristics
Table 15
Memory Cycle Variables
Description
Symbol
Values
ALE Extension
tA
TCL
× <ALECTL>
Memory Cycle Time Waitstates
tC
2TCL
× (15 - <MCTC>)
Memory Tristate Time
tF
2TCL
× (1 - <MTTC>)
Multiplexed Bus
(Operating Conditions apply)
ALE cycle time = 6 TCL + 2
tA + tC + tF (120 ns at 25 MHz CPU clock without waitstates)
Parameter
Symbol
Max. CPU Clock
= 25 MHz
Variable CPU Clock
1 / 2TCL = 1 to 25 MHz
Unit
min.
max.
min.
max.
ALE high time
t5
CC
10 +
tA
TCL - 10
+
tA
ns
Address setup to ALE
t6
CC
4 +
tA
TCL - 16
+
tA
ns
Address hold after ALE
t7
CC
10 +
tA
TCL - 10
+
tA
ns
ALE falling edge to RD,
WR (with RW-delay)
t8
CC
10 +
tA
TCL - 10
+
tA
ns
ALE falling edge to RD,
WR (no RW-delay)
t9
CC
-10 +
tA
-10 +
tA
ns
Address float after RD,
WR (with RW-delay)
t10 CC –
6
6ns
Address float after RD,
WR (no RW-delay)
t11 CC –
26
TCL + 6
ns
RD, WR low time
(with RW-delay)
t12 CC 30 + tC
2TCL - 10
+
tC
ns
相关PDF资料
PDF描述
SAF-C164CL-8RM 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP80
SAK-C164CI-8R25M 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP80
SAF-C165-LM3V 16-BIT, 20 MHz, MICROCONTROLLER, PQFP100
SAF-C165-L25M 16-BIT, 25 MHz, MICROCONTROLLER, PQFP100
SAF-C165-L25F 16-BIT, 25 MHz, MICROCONTROLLER, PQFP100
相关代理商/技术参数
参数描述
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SAF-C164CM-4EF AB 功能描述:16位微控制器 - MCU 16-Bit Sngl-Chip 5V 20MHz OTP 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