AT89LP428-20AU Atmel, AT89LP428-20AU Datasheet - Page 112

• 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

112
AT89LP428/828
Table 21-1.
PSW
RCAP2H
RCAP2L
RH0
RH1
RL0
RL1
SADDR
SADEN
SBUF
SCON
SP
SPCR
SPDR
SPSR
T2CCA
T2CCC
T2CCF
T2CCH
T2CCL
T2CON
T2MOD
TCON
TCONB
TH0
TH1
TH2
TL0
TL1
TL2
TMOD
WDTCON
WDTRST
Special Function Register Cross Reference (Continued)
D0H
CBH
CAH
94H
95H
92H
93H
A9H
B9H
99H
98H
81H
E9H
EAH
E8H
D1H
D4H
D5H
D3H
D2H
C8H
C9H
88H
91H
8CH
8DH
CDH
8AH
8BH
CCH
89H
A7H
A6H
Section 12.1 on page 53
Section 12.1 on page 53
Table 11-1 on page 41
Table 11-1 on page 41
Table 11-1 on page 41
Table 11-1 on page 41
Section 16.7 on page 90
Section 16.7 on page 90
Section 16.3 on page 81
Table 16-1 on page 78
Table 17-3 on page 97
Table 17-2 on page 97
Table 17-4 on page 98
Table 13-1 on page 63
Table 13-4 on page 64
Table 13-5 on page 65
Table 13-2 on page 63
Table 13-3 on page 63
Table 12-3 on page 53
Table 12-4 on page 54
Table 11-2 on page 45
Table 11-4 on page 47
Table 11-1 on page 41
Table 11-1 on page 41
Section 12.1 on page 53
Table 11-1 on page 41
Table 11-1 on page 41
Section 12.1 on page 53
Table 11-3 on page 46
Table 19-2 on page 106
Table 19-3 on page 106
3654A–MICRO–8/09