ATAM894 Datasheet, PDF (2/97 Pages) ATMEL Corporation – 8k-flash Microcontroller

2. Pin Configuration
Figure 2-1. Pinning SSO24 Package
NC 1
NC 2
VDD 3
BP40/INT3/SC 4
BP53/INT1 5
BP52/INT1 6
BP51/INT6 7
BP50/INT6 8
OSC1 9
OSC2 10
BP60/T3O 11
BP10 12
24 _NC
23 NC
22 _VSS
21 BP43/INT3/SD
20 BP42/T2O
19 BP41/VMI/T2I
18 BP23
17 BP22
16 BP21
15 BP20/NTE
14 BP63/T3I
13 BP13
Table 2-1. Pin Description
Pin Symbol Type Function
Alternate Function
Reset State
1
NC
– Not connected
–
–
2
NC
– Not connected
–
–
3
VDD
– Supply voltage
–
NA
4
BP40
I/O Bi-directional I/O line of Port 4.0 SC-serial clock or INT3 external interrupt input
Input
5
BP53
I/O Bi-directional I/O line of Port 5.3 INT1 external interrupt input
Input
6
BP52
I/O Bi-directional I/O line of Port 5.2 INT1 external interrupt input
Input
7
BP51
I/O Bi-directional I/O line of Port 5.1 INT6 external interrupt input
Input
8
BP50
I/O Bi-directional I/O line of Port 5.0 INT6 external interrupt input
Input
9
OSC1
I Oscillator input
4-MHz crystal input or 32-kHz crystal input or external
clock input or external trimming resistor input
Input
10
OSC2
O Oscillator output
4-MHz crystal output or 32-kHz crystal output or
external clock input
Input
11
BP60
I/O Bi-directional I/O line of Port 6.0 T3O Timer 3 output
Input
12
BP10
I/O Bi-directional I/O line of Port 1.0 –
Input
13
BP13
I/O Bi-directional I/O line of Port 1.3 –
Input
14
BP63
I/O Bi-directional I/O line of Port 6.3 T3I Timer 3 input
Input
15
BP20
I/O
Bi-directional I/O line of Port 2.0
NTE test mode enable, see section ”Master Reset” on
page 12
Input
16
BP21
I/O Bi-directional I/O line of Port 2.1 –
Input
17
BP22
I/O Bi-directional I/O line of Port 2.2 –
Input
18
BP23
I/O Bi-directional I/O line of Port 2.3 –
Input
2 ATAM894
4679D–4BMCU–05/05