AT87C52X2-RLRUM Atmel, AT87C52X2-RLRUM Datasheet - Page 48
![MCU ROMLESS 32X2 3V 44-VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
AT87C52X2-RLRUM
Manufacturer Part Number
AT87C52X2-RLRUM
Description
MCU ROMLESS 32X2 3V 44-VQFP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.AT80C32X2-RLRUL.pdf
(55 pages)
Specifications of AT87C52X2-RLRUM
Core Processor
8051
Core Size
8-Bit
Speed
40/20MHz
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)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
EPROM Programming and
Verification Characteristics
EPROM Programming and
Verification Waveforms
Figure 22. EPROM Programming and Verification Waveforms
48
* 8KB: up to P2.4, 16KB: up to P2.5, 32KB: up to P3.4, 64KB: up to P3.5
TS8xCx2X2
ALE/PROG
CONTROL
(ENABLE)
SIGNALS
P1.0-P1.7
P2.0-P2.5
P3.4-P3.5*
P
EA/V
PP
P0
V
CC
T
range while verifying.
Table 35. EPROM Programming Parameters
T
A
T
DVGL
T
SHGL
= 21°C to 27°C; V
Symbol
AVGL
1/T
T
T
T
T
T
T
T
T
T
T
T
T
V
GHAX
GHDX
EHSH
GLGH
AVQV
EHQZ
I
AVGL
DVGL
SHGL
GHSL
ELQV
GLGH
PP
CLCL
PP
T
EHSH
PROGRAMMING
Parameter
Programming Supply Voltage
Programming Supply Current
Oscillator Frquency
Address Setup to PROG Low
Adress Hold after
Data Setup to PROG Low
Data
(Enable) High to V
V
V
PROG Width
Address to Valid Data
ENABLE Low to Data Valid
Data Float after ENABLE
ADDRESS
PP
PP
DATA IN
Setup to PROG Low
Hold after
V
Hold after
PP
SS
= 0V; V
PROG
PROG
PROG
T
PP
GHDX
T
T
GHAX
GHSL
CC
V
= 5V ± 10% while programming. V
CC
T
ELQV
VERIFICATION
ADDRESS
DATA OUT
48 T
48 T
48 T
48 T
48 T
T
Min
12.5
10
10
90
AVQV
4
0
CLCL
CLCL
CLCL
CLCL
CLCL
T
EHQZ
48 T
48 T
48 T
Max
110
13
75
6
CLCL
CLCL
CLCL
CC
4184I–8051–02/08
= operating
Units
MHz
mA
µs
µs
µs
V