參數(shù)資料
型號: SAF-C161S-LM 3V AA
廠商: Infineon Technologies
文件頁數(shù): 50/75頁
文件大?。?/td> 0K
描述: IC MCU 16BIT ROM/LESS MQFP-80-7
標(biāo)準(zhǔn)包裝: 1
系列: C16xx
核心處理器: C166
芯體尺寸: 16-位
速度: 20MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 63
程序存儲器類型: ROMless
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-QFP
包裝: 剪切帶 (CT)
其它名稱: SAF-C161S-LM3VAACT
SAF-C161S-LM3VAACT-ND
SAF-C161S-LM3VAAINCT
C161S
Timing Characteristics
Data Sheet
50
V1.0, 2003-11
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.
Table 15 describes, how these variables are to be computed.
Note: Please respect the maximum operating frequency of the respective derivative.
5.4
AC Characteristics
Table 15
Memory Cycle Variables
Description
Symbol
Values
ALE Extension
t
A
TCL
× <ALECTL>
Memory Cycle Time Waitstates
t
C
2TCL
× (15 - <MCTC>)
Memory Tristate Time
t
F
2TCL
× (1 - <MTTC>)
Table 16
Multiplexed Bus (Standard Supply Voltage Range)
(Operating Conditions apply)
ALE cycle time = 6 TCL + 2
t
A + 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
t
5
CC 10 +
t
A
TCL - 10
+
t
A
ns
Address setup to ALE
t
6
CC 4 +
t
A
TCL - 16
+
t
A
ns
Address hold after ALE
t
7
CC 10 +
t
A
TCL - 10
+
t
A
ns
ALE falling edge to RD,
WR (with RW-delay)
t
8
CC 10 +
t
A
TCL - 10
+
t
A
ns
ALE falling edge to RD,
WR (no RW-delay)
t
9
CC -10 +
t
A
-10 +
t
A
ns
Address float after RD,
WR (with RW-delay)
t
10
CC –
6
6ns
Address float after RD,
WR (no RW-delay)
t
11
CC –
26
TCL + 6
ns
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