ATA6020N ATMEL Corporation, ATA6020N Datasheet - Page 2

• Manufacturer Part Number: ATA6020N
• Description: Low-current Microcontroller For Watchdog Function
• Manufacturer: ATMEL Corporation

2. Pin Configuration
Figure 2-1.
Table 2-1.
2
Name
OSC1
BP20
BP21
BP22
BP23
BP40
BP41
BP42
BP43
BP50
BP51
BP52
BP53
VDD
VSS
NC
NC
NC
NC
NC
ATA6020N
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Pinning SSO20 Package
Pin Description
–
–
–
–
–
–
–
I
Function
Supply voltage
Circuit ground
Not connected
Not connected
Bi-directional I/O line of Port 2.0
Bi-directional I/O line of Port 2.1
Bi-directional I/O line of Port 2.2
Bi-directional I/O line of Port 2.3
Bi-directional I/O line of Port 4.0
Bi-directional I/O line of Port 4.1
Bi-directional I/O line of Port 4.2
Bi-directional I/O line of Port 4.3
Bi-directional I/O line of Port 5.0
Bi-directional I/O line of Port 5.1
Bi-directional I/O line of Port 5.2
Bi-directional I/O line of Port 5.3
Not connected
Not connected
Not connected
Oscillator input
BP40/INT3/SC
BP53/INT1
BP52/INT1
BP51/INT6
BP50/INT6
OSC1
VDD
NC
NC
NC
10
1
8
2
3
4
5
6
7
9
Alternate Function
–
–
–
–
NTE test mode enable, see also
section ''Master Reset''
–
–
–
SC serial clock or INT3 external
interrupt input
VMI voltage monitor input or T2I
external clock input Timer 2
T2O Timer 2 output
SD serial data I/O or INT3
external interrupt input
INT6 external interrupt input
INT6 external interrupt input
INT1 external interrupt input
INT1 external interrupt input
–
–
–
External clock input or external
trimming resistor input
ATA6020N
19
18
17
16
15
14
13
12
20
11
VSS
BP42/T2O
BP22
BP20/NTE
BP43/INT3/SD
BP41/VMI/T2I
BP23
BP21
NC
NC
Pin Number SS020
20
10
11
13
14
15
16
17
18
19
12
1
2
6
5
4
3
9
7
8
4708D–4BMCU–09/05
Reset State
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
NA
NA
–
–
–
–
–