ATAM894 datasheet(2/97 Pages) ATMEL

2 / 97 page

4679D–4BMCU–05/05

ATAM894

Pin Configuration

Figure 2-1.

Pinning SSO24 Package

BP52/INT1

BP51/INT6

BP50/INT6

OSC1

OSC2

BP60/T3O

BP40/INT3/SC

BP53/INT1

BP10

VDD

BP41/VMI/T2I

BP23

BP22

BP21

BP20/NTE

BP63/T3I

BP43/INT3/SD

BP42/T2O

BP13

VSS

Table 2-1.

Pin Description

Symbol

Type

Function

Alternate Function

Reset State

–

Not connected

–

Not connected

–

VDD

–

Supply voltage

–

BP40

I/O

Bi-directional I/O line of Port 4.0 SC-serial clock or INT3 external interrupt input

Input

BP53

I/O

Bi-directional I/O line of Port 5.3 INT1 external interrupt input

Input

BP52

I/O

Bi-directional I/O line of Port 5.2 INT1 external interrupt input

Input

BP51

I/O

Bi-directional I/O line of Port 5.1 INT6 external interrupt input

Input

BP50

I/O

Bi-directional I/O line of Port 5.0 INT6 external interrupt input

Input

OSC1

Oscillator input

4-MHz crystal input or 32-kHz crystal input or external

clock input or external trimming resistor input

Input

OSC2

Oscillator output

4-MHz crystal output or 32-kHz crystal output or

external clock input

Input

BP60

I/O

Bi-directional I/O line of Port 6.0 T3O Timer 3 output

Input

BP10

I/O

Bi-directional I/O line of Port 1.0 –

Input

BP13

I/O

Bi-directional I/O line of Port 1.3 –

Input

BP63

I/O

Bi-directional I/O line of Port 6.3 T3I Timer 3 input

Input

BP20

I/O

Bi-directional I/O line of Port 2.0

NTE test mode enable, see section ”Master Reset” on

page 12

Input

BP21

I/O

Bi-directional I/O line of Port 2.1 –

Input

BP22

I/O

Bi-directional I/O line of Port 2.2 –

Input

BP23

I/O

Bi-directional I/O line of Port 2.3 –

Input

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