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AT89LP2052 датащи(PDF) 80 Page - ATMEL Corporation

номер детали AT89LP2052
подробное описание детали  8-bit Microcontroller with 2/4-Kbyte Flash
PDF  90 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89LP2052 датащи(HTML) 80 Page - ATMEL Corporation

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80
3547F–MICRO–6/06
AT89LP2052/LP4052
Note:
1. The values in this table are valid for V
CC = 2.4V to 5.5V and Load Capacitance = 80 pF.
Figure 23-6. Shift Register Mode Timing Waveforms
23.6
Test Conditions
23.6.1
AC Testing Input/Output Waveforms(1)
Note:
1. AC Inputs during testing are driven at V
CC - 0.5V for a logic “1” and 0.45V for a logic “0”. Timing measurements are made at
VIH min. for a logic “1” and VIL max. for a logic “0”.
23.6.2
Float Waveforms(1)
Note:
1. For timing purposes, a port pin is no longer floating when a 100 mV change from load voltage occurs. A port pin begins to
float when 100 mV change from the loaded VOH/VOL level occurs.
23.5
Serial Port Timing: Shift Register Mode
Table 23-4.
Serial Port Shift Register Timing Parameters
(1)
Symbol
Parameter
Variable Oscillator
Units
Min
Max
tXLXL
Serial Port Clock Cycle Time
2tCLCL -15
µs
tQVXH
Output Data Setup to Clock Rising Edge
tCLCL -15
ns
t
XHQX
Output Data Hold after Clock Rising Edge
t
CLCL -15
ns
tXHDX
Input Data Hold after Clock Rising Edge
0
ns
tXHDV
Input Data Valid to Clock Rising Edge
15
ns
01
2
3
4
5
6
7
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
CLOCK
WRITE TO SBUF
OUTPUT DATA
CLEAR RI
INPUT DATA



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