4 pin configuration – Rainbow Electronics ATA6286 User Manual
Page 4
4
4958AS–AUTO–09/06
ATA6285/ATA6286 [Preliminary]
2.4
Pin Configuration
Figure 2-3.
Pinning QFN32
PB6
PB5 (SCK)
PB4 (MISO)
PB1 (T3O)
ANT2
ANT1
XTO2
PB7 (NSS)
LF1
LF2
VCC
PC2
S2
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
16
PD0 (T2ICP)
PB0 (T3ICP)
GND
GND
PD2 (INT
O)
PB3 (MOSI)
PD7 (SDIN)
PD1 (T3I)
S1
S0
NRESET
GND
PB2 (T2I)
XT
O1
VSRF
GND
GND
PC0
PC1
15 14 13
ATA62857
ATA6286
12 11 10 9
25 26 27 28 29 30 31 32
Table 2-2.
Pin Description
Pin Number
Pin Name
Alternate
Function 1
Alternate
Function 2
Function
Comment
1
PB4
MISO
PCINT4
SPI
Port B4
2
PB5
SCK
PCINT5
SPI
Port B5
3
ANT2
–
–
RF-antenna 2. Emitter of antenna
output stage
RF pin
4
ANT1
–
–
RF-antenna 1. Open collector
antenna output
RF pin
5
PB1
T3O
PCINT1
Timer3 output
Port B1
6
PB6
–
PCINT6
Port B6
7
PB7
NSS
PCINT7
SPI
Port B7
8
XT02
–
–
Switch for FSK modulation
RF pin
9
PB2
T2I
PCINT2
Timer2 external input clock
Port B2
10
XT01
–
–
Connection for crystal
RF pin
11
VS_RF
–
–
Power supply voltage for RF
RF pin
12
GND
–
–
Power supply ground for RF
RF pin
13
NRESET
debugWIRE
–
Reset input/debugWIRE interface
14
GND
–
–
Power supply ground
15
S0
–
–
Sensor input 0 – Pressure Sensor
(Cap.)
16
S1
–
–
Sensor input 1 – X – Motion Sensor
(Cap.)
17
S2
–
–
Sensor input 2 – Z - Motion Sensor
(Cap.)
18
GND
–
–
Power supply ground
Note:
1. Internal inter-die connection of the MCP