AT89S8253-24PSC ATMEL [ATMEL Corporation], AT89S8253-24PSC Datasheet - Page 42

• Manufacturer Part Number: AT89S8253-24PSC
• Description: 8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 25-3. Flash/EEPROM Serial Downloading
42
3-24 MHz
DATA OUTPUT
INSTRUCTION
CLOCK IN
INPUT
AT89S8253
P1.6/MISO
P1.5/MOSI
P1.7/SCK
XTAL2
XTAL1
GND
Oscillator Bypass
Fuse (Fuse4) Off
AT89S8253
RST
V
CC
2.7V to 5.5V
V
IH
DATA OUTPUT
INSTRUCTION
CLOCK IN
INPUT
EXTERNAL
3-24 MHz
CLOCK
P1.6/MISO
P1.5/MOSI
P1.7/SCK
XTAL1
GND
Oscillator Bypass
Fuse (Fuse4) On
AT89S8253
RST
V
CC
3286L–MICRO–8/08
2.7V to 5.5V
V
IH