AT87C51RB2-SLSUM Atmel, AT87C51RB2-SLSUM Datasheet - Page 70
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AT87C51RB2-SLSUM
Manufacturer Part Number
AT87C51RB2-SLSUM
Description
IC 8051 MCU 16K OTP 40MHZ 44PLCC
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C51RB2-VIA.pdf
(86 pages)
Specifications of AT87C51RB2-SLSUM
Core Processor
8051
Core Size
8-Bit
Speed
40/20MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
11.5.9
11.5.10
Figure 11-10. EPROM Programming and Verification Waveforms
70
* 8KB: up to P2.4, 16KB: up to P2.5, 32KB: up to P3.4, 64KB: up to P3.5
AT/TS8xC51Rx2
EPROM Programming and Verification Characteristics
EPROM Programming and Verification Waveforms
ALE/PROG
CONTROL
(ENABLE)
SIGNALS
P1.0-P1.7
P2.0-P2.5
P3.4-P3.5*
EA/V
PP
P0
T
verifying
V
A
CC
= 21°C to 27°C; V
Symbol
1/T
T
T
T
T
T
T
T
T
T
T
T
V
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
EHQZ
I
AVGL
ELQV
PP
CLCL
PP
T
T
DVGL
T
SHGL
AVGL
T
GLGH
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
PP
T
PP
EHSH
Setup to PROG Low
Hold after
PROGRAMMING
Hold after
SS
ADDRESS
DATA IN
= 0V; V
V
PP
PROG
PROG
PROG
PP
CC
= 5V ± 10% while programming. V
T
GHDX
T
T
GHAX
GHSL
V
CC
T
ELQV
VERIFICATION
48 T
48 T
48 T
48 T
48 T
ADDRESS
12.5
Min
DATA OUT
10
10
90
4
0
CLCL
CLCL
CLCL
CLCL
CLCL
T
AVQV
CC
T
48 T
48 T
48 T
= operating range while
EHQZ
Max
110
13
75
6
CLCL
CLCL
CLCL
4188F–8051–01/08
Units
MHz
mA
µs
µs
µs
V