
Input/Output Connectors and Pin Usage Table
TWR-P1025 Hardware User Guide, Rev. 0
Freescale Semiconductor
3
CKSTP_OUT_N
J3.15
Checkstop Out
GND
J3.16
Ground
CPLD JTAG
CPLD_JTAG_TCK
J1.1
Test CLK
GND
J1.2
Ground
CPLD_JTAG_TDO
J1.3
Test Data Out
+3.3V
J1.4
Power
CPLD_JTAG_TMS
J1.5
Test Mode Select
-
J1.6
-
-
J1.7
-
-
J1.8
-
CPLD_JTAG_TDI
J1.9
Test Data In
GND
J1.1
0
Ground
QE Serial
Expansion
GND
J4.1
Ground
+3.3V
J4.2
Power
SER7_RXD0
J4.3
UCC7 RXD0
SER3_RXD0
J4.4
UCC3 RXD0
SER7_TXD0
J4.5
UCC7 TXD0
SER3_TXD0
J4.6
UCC3 RXD0
SER7_RTS_B
J4.7
UCC7 RTS_B
GND
J4.8
Ground
SER7_CTS_B
J4.9
UCC7 CTS_B
SER3_RTS_B
J4.1
0
UCC3 RTS_B
SER7_CD
J4.11
UCC7 CD
SER3_CTS_B
J4.12
UCC3 CTS_B
GPIO_EXPAND8
J4.13
GPIO
SER3_CD
J4.14
UCC3 CD
GPIO_EXPAND9
J4.15
GPIO
GPIO_EXPAND11
J4.16
GPIO
GPIO_EXPAND10
J4.17
GPIO
GPIO_EXPAND12
J4.18
GPIO
+5V0
J4.19
5V Power
GPIO_EXPAND13
J4.20
GPIO
Table 5-2. I/O Connectors and Pin Usage Table (continued)
Feature
Connection
Port Pin
Pin Function