AT89LS51-16JU Atmel, AT89LS51-16JU Datasheet - Page 19

• Manufacturer Part Number: AT89LS51-16JU
• Description: IC MCU 4K FLASH 16MHZ 44-PLCC
• Manufacturer: Atmel
• Series: 89LSr

Specifications of AT89LS51-16JU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 4 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: -

Figure 18-2. Flash Memory Serial Downloading
19. Flash Programming and Verification Waveforms – Serial Mode
Figure 19-1. Serial Programming Waveforms
3053C–MICRO–6/08
3 - 16 MHz
DATA OUTPUT
INSTRUCTION
7
CLOCK IN
INPUT
6
5
P1.5/MOSI
P1.6/MISO
P1.7/SCK
XTAL2
XTAL1
GND
AT89LS51
4
RST
V
CC
3
V
CC
2
V
IH
1
0
AT89LS51
19