Datasheet

3
ATtiny20 [DATASHEET]
8235ES–AVR–03/2013
1.3 UFBGA
Figure 1-3. UFBGA
Table 1-1. UFBGA Pin Configuration
1.4 Wafer Level Chip Scale Package
Figure 1-4. WLCSP
Table 1-2. WLCSP Ball Configuration
1 2 3 4
A PA5 PA6 PB2
B PA4 PA7 PB1 PB3
C PA3 PA2 PA1 PB0
D PA0 GND GND VCC
A
B
C
D
1234
A
B
C
D
4321
TOP VIEW BOTTOM VIEW
1 2 3 4 5 6
A PA4 PA1 PA2
B PA6 GND VDD
C PA5 PA7 PB1
D PB2 PB3 PB0
A
B
C
D
1234
A
B
C
D
654321
TOP VIEW BOTTOM VIEW