AT87C52X2-3CSUL Atmel, AT87C52X2-3CSUL Datasheet - Page 45
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AT87C52X2-3CSUL
Manufacturer Part Number
AT87C52X2-3CSUL
Description
IC 8051 MCU 8K OTP 30MHZ 40DIP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C52X2-VCA.pdf
(55 pages)
Specifications of AT87C52X2-3CSUL
Core Processor
8051
Core Size
8-Bit
Speed
30/20MHz
Connectivity
UART/USART
Peripherals
POR
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
UART
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
External Data Memory Write
Cycle
Figure 19. External Data Memory Write Cycle
4184G–8051–09/06
PORT 0
PORT 2
PSEN
ALE
WR
OR SFR-P2
ADDRESS
Table 31. AC Parameters for a Variable Clock: Derating Formula
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWX
QVWH
WHQX
WHLH
WHLH
RLRH
RLDV
RHDX
RHDZ
AVDV
AVWL
LLDV
LLWL
LLWL
RLAZ
A0-A7
T
T
LLAX
AVWL
Type
T
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
LLWL
Standard
ADDRESS A8-A15 OR SFR P2
Clock
3 T + x
6 T - x
6 T - x
5 T - x
2 T - x
8 T - x
9 T - x
3 T - x
4 T - x
7 T - x
T + x
T - x
T - x
T - x
x
x
T
QVWX
X2 Clock
1.5 T + x
0.5 T + x
2.5 T - x
4.5 T - x
1.5 T - x
0.5 T - x
3.5 T - x
0.5 T - x
0.5 T - x
3 T - x
3 T - x
2 T - x
4T -x
T - x
x
x
T
QVWH
T
DATA OUT
WLWH
-M
20
20
25
20
40
60
25
25
25
15
15
10
15
15
0
0
T
WHLH
-V
15
15
23
15
35
50
20
20
20
10
10
10
10
0
8
0
T
TS8xCx2X2
WHQX
-L
25
25
30
25
45
65
30
30
30
20
20
15
20
20
0
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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