ata5795-pnqw ATMEL Corporation, ata5795-pnqw Datasheet - Page 6

• Manufacturer Part Number: ata5795-pnqw
• Description: Embedded Avr Microcontroller Including Rf Transmitter And Immobilizer Lf Functionality For Remote Keyless Entry
• Manufacturer: ATMEL Corporation

Table 2-1.
6
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
ATA5795 [Preliminary]
Pin Description
Pin Name
NRESET
GNDRF
XTAL1
XTAL2
VSRF
XTO1
ANT2
ANT1
XTO2
VBAT
GND
TME
VCC
PC0
A4N
A4P
PD0
PD1
PD2
PB5
PB4
PD7
PD6
PD5
PD4
PD3
PB3
PB2
PB1
PB0
PB7
PB6
Function 1
Alternate
ECIN0
T3ICP
MISO
MOSI
INT0
SCK
NSS
TM5
TM4
TM3
TM2
TM1
dW
TEI
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Function 2
Alternate
PCINT10
PCINT15
PCINT14
PCINT13
PCINT12
PCINT11
PCINT8
PCINT9
PCINT5
PCINT4
PCINT3
PCINT2
PCINT1
PCINT0
PCINT7
PCINT6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Power supply voltage RF
Reset input / debugWire interface
Power supply voltage for battery
I/O port / timer 3 external capture input
32 kHz crystal oscillator input pin
32 kHz crystal oscillator output pin
I/O port / timer modulator pin 5
I/O port / timer modulator pin 4
I/O port / SPI
I/O port / SPI
I/O port / SPI
I/O port / SPI
I/O port
I/O port
Function
Test mode enable
Connection for RF crystal
Power supply ground RF
I/O port
Input pin for transponder AFE
Input pin for transponder AFE
I/O port / external interrupt input 0
I/O port / external timer input clock
Power supply voltage for the microcontroller. A capacitor
with capacitance C
buffer the voltage during field supply and block the
microcontroller VCC.
Power supply ground
I/O port / timer modulator pin 3
I/O port / timer modulator pin 2
I/O port / timer modulator pin 1
I/O port / external clock input 0
I/O port
RF antenna 2
RF antenna 1
Connection for RF crystal
BUF
must be connected at this pin to
9182AS–RKE–03/10
Comment
RF - pin
RF - pin
RF - pin
RF - pin
RF - pin
RF - pin
Port C0
Port D0
Port D1
Port D2
Port B5
Port B4
Port D7
Port D6
Port D5
Port D4
Port D3
Port B3
Port B2
Port B1
Port B0
Port B7
Port B6