
ETS2228 Maintenance Manual
All right reserved Page 21, Total 43
Signal
direction
Signal name Signal flow Signal function Receive unit’s PIN
name
I
VREG-PH
ONE
interface→PM6610
Interface board
power supply power
VDD,supply power to
PM6610
ICHARGE_P(3
),
VDD-ANA(12)
、
VDD-MSM(15)
、
VDD-MAIN(30
)
I
VEXT-DC
interface→PM6610
prescription of
external power supply
VCHARGER(1
)
I
V-BATT interface→PM6610 Stakeout battery
voltage,directly connect
to +pole of battery
ICHARGE_M(
4)
I
TCXO TCXO→PM6610 Main frequency
input signal
TCXO-IN(24)
O
BUFF-TC
XO
PM6610→MSM6000 Main frequency
output signal
TCXO-OUT(23
)
I
TCXO-EN MSM6000→PM6610 TCXO enable
signal
TCXO-EN(25)
I
PS-HOLD
、
JTAG ON
MSM6000→PM6610
MSM6000→register
unit
Control whether
supply power to
MSM6000 continuance
PS-HOLD(7)
O
TERM ON interface→PM6610 Control
replacement signal
KBDPWR-ON(
8)
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