AT89LP52-20MU Atmel, AT89LP52-20MU Datasheet - Page 83

• Manufacturer Part Number: AT89LP52-20MU
• Description: IC MCU 8051 8K FLASH SPI 44VQFN
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP52-20MU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VFQFN Exposed Pad
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Figure 17-5. ISP Command Packet (Serial Byte)
Figure 17-6. ISP Command Packet (Serial Page)
Figure 17-7. ISP Command Packet (Parallel Byte)
Figure 17-8. ISP Command Packet (Parallel Page)
3709B–MICRO–12/10
MOSI
MISO
MOSI
MISO
SCK
SCK
SCK
SCK
OE
OE
OE
OE
P0
P0
P0
P0
7
7
6 5 4 3 2 1
6 5 4 3 2 1
Opcode
Opcode
Opcode
Opcode
Opcode
Opcode
X
X
0
0
7
7
6 5 4 3 2 1
6 5 4 3 2 1
Address High
Address High
Address High
Address High
Address High
Address High
X
X
0
0
WRITE
READ
7
7
Address Low
Address Low
Address Low
Address Low
6 5 4 3 2 1
6 5 4 3 2 1
Address Low
Address Low
WRITE
READ
X
X
0
0
AT89LP51/52 - Preliminary
7
7
7
7
Data In 0
6 5 4 3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
Data In
Data Out 0
Data Out
Data In 0
Data In
Data Out 0
Data Out
0
0
0
0
Out 62
Data In 63
7
7
6 5 4 3 2 1
6 5 4 3 2 1
Data Out 63
Data Out 63
Data In 63
0
0
83