AT89C5131A-PUTUM(2008) Ver la hoja de datos (PDF) - Atmel Corporation

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Fabricante

AT89C5131A-PUTUM
(Rev.:2008)

8-bit Flash Microcontroller with Full Speed USB Device

Atmel Corporation 

Figure 3-3. AT89C5130A/31A-M 32-pin QFN Pinout

32 31 30 29 28 27 26 25

P4.1/SDA 1

XTAL2 2

XTAL1 3

24 P1.0/T2/KIN0

23 RST

22 NC

VDD 4

UCAP 5

QFN32

21 VSS

20 NC

AVSS 6

19 P3.7/RD/LED3

P3.0/RxD 7

18 P3.6/WR/LED2

PLLF 8

17 P3.5/T1/LED1

9 10 11 12 13 14 15 16

Note : The metal plate can be connected to Vss

3.2 Signals

All the AT89C5130A/31A-M signals are detailed by functionality on Table 3-1 through Table 3-

12.

Table 3-1. Keypad Interface Signal Description

Signal

Name Type Description

KIN[7:0)

Keypad Input Lines

I 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.

Alternate

Function

P1[7:0]

Table 3-2. Programmable Counter Array Signal Description

Signal

Name

ECI

Type Description

I External Clock Input

Alternate

Function

P1.2

6 AT89C5130A/31A-M

4337K–USB–04/08

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