User`s manual

60 RabbitCore RCM2300
The RCM2300 has another battery option available. A customer-installed BR2577A/GA
backup battery can be soldered right on the RCM2300 as shown in Figure C-2. The nega-
tive battery connection is to the pin 3 hole in the area corresponding to header area J3.
Figure C-2. Installing Onboard Backup Battery on RCM2300
NOTE: Installing an onboard backup battery directly on the RCM2300 will prevent you
from adding a through-hole connector at position J3 pin 3 on the other side of the
RCM2300.
PE3
GND
PD6
PD2
PD1
PD0
PD7
J1
Y1
VCC
VBAT
+
GND
R22
R21
C14
C13
D2
D3
C3
R38
R41
R39
RT1
D1
R7
R8
U6
R37
Y3
R18
C24
U2
R29
C23
C9
R17
R19
G
R34
WD
J3
VCC
VCC
PE6
BEN
C4
R36
C27
R1
C8
R2
C10
JP2
JP1
R23
R13
C11
U1
R15
C12
C15
R26
Q2
Q3
Q4
Q5
R20
J2
-
CAUTION
Battery
+
+
+