AT89C52-33AI Atmel, AT89C52-33AI Datasheet - Page 15
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AT89C52-33AI
Manufacturer Part Number
AT89C52-33AI
Description
IC 8051 MCU FLASH 8K 44TQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C52-24AC.pdf
(24 pages)
Specifications of AT89C52-33AI
Core Processor
8051
Core Size
8-Bit
Speed
33MHz
Connectivity
SIO, UART/USART
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Figure 9. Programming the Flash Memory
Flash Programming and Verification Characteristics
T
Note:
Symbol
V
I
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
A
3-24 MHz
PP
AVGL
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
ELQV
EHQZ
GHBL
WC
PROGRAMMING
MODES TABLE
PP
= 0°C to 70°C, V
CLCL
(1)
SEE FLASH
(1)
OOOOH/1FFFH
(1)
1. Only used in 12-volt programming mode.
ADDR.
A0 - A7
A8 - A12
CC
Parameter
Programming Enable Voltage
Programming Enable Current
Oscillator Frequency
Address Setup to PROG Low
Address Hold after PROG
Data Setup to PROG Low
Data Hold After PROG
P2.7 (ENABLE) High to V
V
V
PROG Width
Address to Data Valid
ENABLE Low to Data Valid
Data Float after ENABLE
PROG High to BUSY Low
Byte Write Cycle Time
= 5.0 10%
PP
PP
Setup to PROG Low
Hold after PROG
P1
P2.0 - P2.4
P2.6
P2.7
P3.6
P3.7
XTAL2
XTAL1
GND
AT87F52
PSEN
RST
ALE
V
EA
P0
CC
PP
+5V
PGM
DATA
PROG
V /V
V
IH
IH
PP
Figure 10. Verifying the Flash Memory
3-24 MHz
PROGRAMMING
MODES TABLE
OOOOH/1FFFH
SEE FLASH
ADDR.
48t
48t
48t
48t
48t
11.5
Min
A0 - A7
A8 - A12
10
10
3
1
0
CLCL
CLCL
CLCL
CLCL
CLCL
P1
P2.0 - P2.4
P2.6
P2.7
P3.6
P3.7
XTAL 2
XTAL1
GND
AT87F52
48t
48t
48t
Max
12.5
110
1.0
1.0
2.0
24
CLCL
CLCL
CLCL
PSEN
RST
ALE
V
EA
P0
CC
+5V
PGM DATA
(USE 10K
PULLUPS)
Units
MHz
mA
ms
µs
µs
µs
µs
V
V
V
IH
IH
15