AT89LP428-20AU Atmel, AT89LP428-20AU Datasheet - Page 139

• Manufacturer Part Number: AT89LP428-20AU
• Description: MCU 8051 4K FLASH SPI 32TQFP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP428-20AU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 30
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Processor Series: AT89x
• Core: 8051
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

26. Packaging Information
26.1
3654A–MICRO–8/09
Notes:
32A – TQFP
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-026, Variation ABA.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
C
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
e
PIN 1
0˚~7˚
L
PIN 1 IDENTIFIER
TITLE
32A, 32-lead, 7 x 7 mm Body Size, 1.0 mm Body Thickness,
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
D1
D
B
E1
A1
E
A2
SYMBOL
A
A
A1
A2
D
D1
E
E1
B
C
L
e
0.30
0.05
8.75
6.90
8.75
6.90
0.09
0.45
COMMON DIMENSIONS
0.95
MIN
(Unit of Measure = mm)
–
AT89LP428/828
0.80 TYP
NOM
1.00
9.00
7.00
9.00
7.00
–
–
–
–
–
DRAWING NO.
MAX
1.20
0.15
1.05
9.25
7.10
9.25
7.10
0.45
0.20
32A
0.75
10/5/2001
Note 2
Note 2
NOTE
REV.
B
139