ata5790 ATMEL Corporation, ata5790 Datasheet - Page 3

• Manufacturer Part Number: ata5790
• Description: Embedded Avr Microcontroller Including Complete Lf Functionality For Passive Entry / Passive Start Keys
• Manufacturer: ATMEL Corporation

1.2
Figure 1-2.
1.3
9197CS–RKE–07/11
Atmel ATA5790 Block Diagram
Pin Configurations
Atmel
PD4/ECIN0
PD1/T3ICP
PD0/INT0
PD7/TM3
PD6/TM2
PD5/TM1
PD2/TEI
®
ATA5790 Block Diagram
A1P
A1N
A2P
A2N
A3P
A3N
A4P
A4N
PD3
Figure 1-3.
Management
Transponder
Volt. Monitor
Contactless
Timer Block
Crypto Unit
Interface/
Receiver
IR-Driver
3D LF-
Power
AFE
Pinout for QFN38 Package
AGND
VBAT
SRAM/ 512B
EEPROM/
IO-Ports
2.1KB
SPI
AVR-Core
NRESET
AGND
GND
GND
GND
TME
VCC
PD0
PD1
PD2
A4N
A4P
FRC-Oscillator
CRC-Module
Flash/16KB
1
2
3
4
5
6
7
8
9
10
11
12
RTC
38 37 36 35
13 14 15 16 17 18 19
ATA5790
GND
VCC
34 33 32
Management
POR/ BOD
Monitoring
Watchdog
Oscillator
debug-
Reset
WIRE
Clock
SRC-
Timer
and
and
31
30
29
28
27
26
25
24
23
22
21
20
ECIN
PB2
PB3
PD3
PD4
PD5
PD6
PD7
PB4
PB5
XTAL2
GND
XTAL1
Atmel ATA5790
XTAL2
XTAL1
TME
NRESET (dW)
PB7
PB6
PB5/TM5
PB4/TM4
PB3/MISO
PB2/MOSI
PB1/SCK
PB0/NSS
3