AT89C2051X2 ATMEL [ATMEL Corporation], AT89C2051X2 Datasheet - Page 10

• Manufacturer Part Number: AT89C2051X2
• Description: 8-bit Microcontroller with 2K Bytes Flash
• Manufacturer: ATMEL [ATMEL Corporation]

10
AT89C2051x2
Figure 4. Programming the Flash Memory
Figure 5. Verifying the Flash Memory
PROGRAMMING
ADDRESS COUNTER
MODES TABLE
SEE FLASH
PROGRAMMING
TO INCREMENT
MODES TABLE
SEE FLASH
RDY/BSY
PROG
V
IH
P3.7
P3.2
P3.3
P3.4
P3.5
XTAL1
GND
P3.2
P3.3
P3.4
P3.5
P3.7
XTAL1
GND
AT89C2051x2
AT89C2051x2
RST
RST
V
V
P1
CC
P1
CC
4.5V - 5.5V
4.5V - 5.5V
PGM
DATA
PGM
DATA
V
IH
V
IH
/V
PP
3285B–MICRO–10/03