AT89LP2052-16XI Atmel, AT89LP2052-16XI Datasheet - Page 83
AT89LP2052-16XI
Manufacturer Part Number
AT89LP2052-16XI
Description
IC 8051 MCU FLASH 2K 20TSSOP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP2052-20PU.pdf
(94 pages)
Specifications of AT89LP2052-16XI
Core Processor
8051
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89LP2052-20XI
AT89LP2052-20XI
AT89LP2052-20XI
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24.5
Table 24-4.
Note:
Figure 24-6. Shift Register Mode Timing Waveforms
24.6
24.6.1
Note:
24.6.2
Note:
3547J–MICRO–10/09
Symbol
t
t
t
t
t
XLXL
QVXH
XHQX
XHDX
XHDV
Serial Port Timing: Shift Register Mode
1. The values in this table are valid for V
Test Conditions
1. AC Inputs during testing are driven at V
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
WRITE TO SBUF
OUTPUT DATA
AC Testing Input/Output Waveforms
Float Waveforms
INPUT DATA
V
float when 100 mV change from the loaded V
CLEAR RI
Parameter
Serial Port Clock Cycle Time
Output Data Setup to Clock Rising Edge
Output Data Hold after Clock Rising Edge
Input Data Hold after Clock Rising Edge
Input Data Valid to Clock Rising Edge
IH
min. for a logic “1” and V
Serial Port Shift Register Timing Parameters
CLOCK
(1)
VALID
0
IL
max. for a logic “0”.
VALID
CC
1
CC
= 2.4V to 5.5V and Load Capacitance = 80 pF.
(1)
- 0.5V for a logic “1” and 0.45V for a logic “0”. Timing measurements are made at
OH
VALID
/V
OL
2
level occurs.
(1)
VALID
3
VALID
4
AT89LP2052/LP4052
2t
VALID
t
t
CLCL
CLCL
CLCL
Min
5
15
Variable Oscillator
0
-15
-15
-15
VALID
6
Max
VALID
7
Units
µs
ns
ns
ns
ns
83
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