参数资料
型号: SAB-C167CS-4RM
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, PQFP144
封装: METRIC, PLASTIC, QFP-144
文件页数: 64/84页
文件大小: 1082K
代理商: SAB-C167CS-4RM
C167CS-4R
C167CS-L
Data Sheet
63
V2.2, 2001-08
AC Characteristics
Figure 16
CLKOUT Signal Timing
Variable Memory Cycles
The bus timing shown below is programmable via the BUSCONx registers. The duration
of ALE and two types of waitstates can be selected. This table summarizes the possible
bus cycle durations.
Table 15
CLKOUT Reference Signal
Parameter
Symbol
Limits
Unit
min.
max.
CLKOUT cycle time
tc5
CC
40/30/251)
1) The CLKOUT cycle time is influenced by the PLL jitter (given values apply to f
CPU = 25/33/40 MHz).
For a single CLKOUT cycle (2 TCL) the deviation caused by the PLL jitter is below 1 ns (for
fCPU > 25 MHz).
For longer periods the relative deviation decreases (see PLL deviation formula).
ns
CLKOUT high time
tc6
CC 8
ns
CLKOUT low time
tc7
CC 6
ns
CLKOUT rise time
tc8
CC –
4ns
CLKOUT fall time
tc9
CC –
4ns
Table 16
Variable Memory Cycles
Bus Cycle Type
Bus Cycle Duration
Unit 25/33/40 MHz, 0 Waitstates
Demultiplexed bus cycle
with normal ALE
4 + 2
× (15 - <MCTC>)
+ 2
× (1 - <MTTC>)
TCL 80 ns
/ 60.6 ns / 50 ns
Demultiplexed bus cycle
with extended ALE
6 + 2
× (15 - <MCTC>)
+ 2
× (1 - <MTTC>)
TCL 120 ns / 90.9 ns / 75 ns
Multiplexed bus cycle
with normal ALE
6 + 2
× (15 - <MCTC>)
+ 2
× (1 - <MTTC>)
TCL 120 ns / 90.9 ns / 75 ns
Multiplexed bus cycle
with extended ALE
8 + 2
× (15 - <MCTC>)
+ 2
× (1 - <MTTC>)
TCL 160 ns / 121.2 ns / 100 ns
MCT04415
CLKOUT
tc
5
tc
6
7
tc
8
tc
9
tc
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SAK-C167CS-LM 16-BIT, 25 MHz, MICROCONTROLLER, PQFP144
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