AT89C5131A-TIRUL Atmel, AT89C5131A-TIRUL Datasheet - Page 6

• Manufacturer Part Number: AT89C5131A-TIRUL
• Description: MCU 8051 32K FLASH USB 28-SOIC
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-TIRUL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89STK-05
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

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AT89C5131A-L
Figure 3. AT89C5131A-L 48-pin MLF Pinout
The MLF48 package does not allow external memory acces through P0/P2 ports (exter-
nal code execution or external XRAM access).
P0 and P2 ports are output only ports for MLF48 package.
Figure 4. AT89C5131A-L 28-pin SO Pinout
P1.5/CEX2/KIN5/MISO
P1.7/CEX4/KIN7/MOSI
P1.6/CEX3/KIN6/SCK
P4.1/SDA
P2.5/A13
P2.6/A14
P2.7/A15
P2.4/A12
P3.0/RxD
P2.3/A11
XTAL2
XTAL1
AVDD
AVSS
VDD
P4.1/SDA
P3.0/RxD
P4.0/SCL
10
12
1
2
11
9
4
6
7
8
3
5
XTAL2
XTAL1
PLLF
VREF
AVSS
VDD
48
13 14
D+
D-
47
4
10
12
14
1
2
3
5
6
7
8
11
13
9
15
46 45 44 43 42
16
SO28
17
MLF 48
18
19
41 40 39 38 37
20
15
28
27
24
22
21
18
17
16
26
25
23
20
19
21
22 23
P1.4/CEX1/KIN4
P1.3/CEX0/KIN3
P1.2/ECI/KIN2
P1.1/T2EX/KIN1/SS
P1.0/T2/KIN0
RST
P3.7/RD/LED3
P3.2/INT0
P3.1/TxD
P3.3/INT1/LED0
VSS
P3.6/WR/LED2
P3.4/T0
P3.5/T1/LED1
24
27
36
35
33
29
28
26
25
34
32
31
30
P1.0/T2/KIN0
P0.1/AD1
P0.2/AD2
RST
P0.3/AD3
P0.4/AD4
P3.7/RD/LED3
P0.5/AD5
P0.6/AD6
P0.7/AD7
P3.6/WR/LED2
VSS
4338A–USB–08/04