Table 7-8. U301 Flipper Ic Pinouts; Loop Filter - Motorola ASTRO XTS 5000 Detailed Service Manual

7-18
U301
Pin No.
E7
D5
C7
A8
D7
H8
H3
H6
H5
F4
E5
G4
G2
F1
F3
F2
D8
C8
A7
C6
A4
C4
G3
G7
G1
B5
C5
E4
C1
October 14, 2003

Table 7-8. U301 Flipper IC Pinouts

Description
RXDIN_ENC_3V
TXDO_BDI_5V
RXDIN_5V
RTS
CTS
CTS_FILLREQ_3V
16.8 MHz
13 MHz
PLL_LFT
CODEC_DCLK
CODEC_FSYNC
UCM_SS
V2
V2
VSS3_DC
VSS3_AC
VCC5
VSS5
LI_CELL
VSS3_XTL
UART_TX
UART_RX
ONE_WIRE_UP
KVL_USB_DET
ONE_WIRE_EN*
BSY_IN_RTS
BSY_OUT_CTS
UCTS1_USB_SPEED*
USB_TXENAB
Troubleshooting Tables: List of Board and IC Signals
To/From Comment
R308
R329* 5 V RS232
Data Out
R328* 5 V RS232
Data In
D303 pin 3 Request to
Send (RS232)
R303 Clear to Send
(RS232)
R306**
C307* 16.8 MHz
Clock
R302 13 MHz Clock
R331* (OUT)
C302* PLL Loop
Filter
R405 520 kHz
R406 8 kHz Pulse
J701 pin 28
C304* 3.0 V
C317* 3.0 V
GROUND
GROUND
C305* 5.0 V
GROUND
C312* 3.0-3.3 V
GROUND
NC
NC
Accessible
on Vocon?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
6881094C31-C