AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 6

• Manufacturer Part Number: AT89C5131A-PUTIM
• Description: IC 8051 MCU FLASH 32K USB 32QFN
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-PUTIM

• 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): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

3.2
6
Signals
AT89C5130A/31A-M
Figure 3-3.
All the AT89C5130A/31A-M signals are detailed by functionality on Table 3-1 through Table 3-
12.
Table 3-1.
Table 3-2.
KIN[7:0)
Signal
Name
Signal
Name
ECI
Note : The metal plate can be connected to Vss
AT89C5130A/31A-M 32-pin QFN Pinout
Keypad Interface Signal Description
Programmable Counter Array Signal Description
Type
Type
I
I
Description
Keypad Input Lines
Holding one of these pins high or low for 24 oscillator periods triggers a
keypad interrupt if enabled. Held line is reported in the KBCON register.
Description
External Clock Input
P4.1/SDA
P3.0/RxD
XTAL2
XTAL1
UCAP
AVSS
PLLF
VDD
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
QFN32
24
23
22
21
20
19
18
17
P1.0/T2/KIN0
RST
NC
VSS
NC
P3.7/RD/LED3
P3.6/WR/LED2
P3.5/T1/LED1
4337K–USB–04/08
Alternate
Alternate
Function
Function
P1[7:0]
P1.2