Pin configuration – Rainbow Electronics ATA6630 User Manual
Page 3
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9117C–AUTO–10/09
ATA6628/ATA6630 [Preliminary]
2.
Pin Configuration
Figure 2-1.
Pinning QFN20
6
7
8
10
9
20
19
1
8
QFN 5 mm 5 mm
0.65 mm pitch
20 le
a
d
ATA662
8
/
3
0
16
11
12
1
3
14
15
INH
TXD
NRE
S
WD_O
S
C
TM
MODE
KL15
PVCC
VCC
V
S
S
P_MODE
PV
DIV_ON
RXD
LIN
GND
WAKE
NTRIG
EN
VBATT
5
4
3
2
1
17
Table 2-1.
Pin Description
Pin
Symbol
Function
1
VBATT
Battery supply for the voltage divider
2
EN
Enables the device into Normal Mode
3
NTRIG
Low-level watchdog trigger input from microcontroller; if not needed, connect to PVCC
4
WAKE
High-voltage input for local wake-up request; if not needed, connect to VS
5
GND
System ground
6
LIN
LIN-bus line input/output
7
RXD
Receive data output
8
DIV_ON
Input to switch on the internal voltage divider, active high
9
PV
Voltage divider output
10
SP_MODE
Input to switch the transceiver in High-speed Mode, active high
11
INH
Battery related High-side switch
12
TXD
Transmit data input; active low output (strong pull down) after a local wake up request
13
NRES
Output undervoltage and watchdog reset (open drain)
14
WD_OSC
External resistor for adjustable watchdog timing; if not needed, connect to GND
15
TM
For factory testing only (tie to ground)
16
MODE
For Debug Mode: Low watchdog is on; high watchdog is off
17
KL_15
Ignition detection (edge sensitive)
18
PVCC
3.3V/5V regulator sense input pin, connect to VCC
19
VCC
3.3V/5V regulator output/driver pin, connect to PVCC
20
VS
Battery supply
Backside
Heat slug is connected to GND