MCIMX31L FREESCALE [Freescale Semiconductor, Inc], MCIMX31L Datasheet - Page 32

• Manufacturer Part Number: MCIMX31L
• Description: Multimedia Applications Processors
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Signal Descriptions
32
Pin Name Group
KEY_ROW0
KEY_ROW1
KEY_ROW2
KEY_ROW3
KEY_ROW4
KEY_ROW5
KEY_ROW6
KEY_ROW7
DSR_DCE1
DCD_DCE1
DTR_DCE1
DTR_DTE1
DSR_DTE1
DCD_DTE1
DTR_DCE2
BATT_LINE
KEY_COL0
RI_DCE1
RI_DTE1
RXD2
TXD2
RTS2
CTS2
UART1_
UART IF
UART IF
UART IF
UART IF
UART IF
UART IF
UART IF
UART IF
UART2_
UART2_
UART2_
UART2_
Keypad
Keypad
Keypad
Keypad
Keypad
Keypad
Keypad
Keypad
Keypad
1-Wire
GPS
Full
Full
Full
Full
Full
Full
Full
Full
IR
IR
IR
IR
Full UART IF + CE Bus 4
Full UART IF + CE Bus 5
Full UART IF + CE Bus 6
keypad column driver 0
keypad row sense 0
keypad row sense 1
keypad row sense 2
keypad row sense 3
keypad row sense 4
keypad row sense 5
keypad row sense 6
keypad row sense 7
Request to send.
Description
One Wire Data
Clear to send.
CE Bus 11
Tx Data.
Tx Data.
–
–
–
–
–
Table 4. Functional Multiplexing (continued)
i.MX31/i.MX31L Advance Information, Rev. 1.4
CSPI1_MOSI
CSPI1_MISO
BUFFER_EN
Hardware
CSPI1_SS0
CSPI1_SS1
CSPI1_SS2
ipp_ind_firi_
ipp_ind_firi_
ATA_INTRQ
ipp_do_firi_
ipp_do_firi_
RESET_IN
Mode 1
ATA_
TMS
TDO
TDI
rxd
rxd
txd
txd
–
–
–
–
–
–
–
–
G_DATA
G_DATA
G_DATA
Mode
USBOT
USBOT
USBOT
HW
2
–
3
4
5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Preliminary
sw_mux_ctl_
dtr_dce1[6:0]
sw_mux_ctl_
dsr_dce1[6:0
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
dsr_dte1[6:0]
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
dtr_dce2[6:0]
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
batt_line[6:0]
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
sw_mux_ctl_
dtr_dte1[6:0]
ri_dce1[6:0]
ri_dte1[6:0]
dcd_dce1
key_row0
key_row1
key_row2
key_row3
key_row4
key_row5
key_row6
key_row7
dcd_dte1
rxd2[6:0]
txd2[6:0]
key_col0
rts2[6:0]
cts2[6:0]
MUX_
SW_
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
[6:0]
EN
]
SPI_RD
RI_DTE
Mode
CSPI1_
CSPI1_
CSPI1_
DSR_D
SCLK
DCD_
DTE2
SS3
TE2
Alt
1
Y
–
–
2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PP4_RX
DAT/SR
Mode
I2C2_S
I2C2_S
RXD1
TXD1
RTS1
Alt
DA
DA
CL
2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
AGB[25]
AGB[26]
AGB[27]
AGB[28]
AGB[29]
AGB[30]
AGB[31]
RI_DCE
DSR_D
DCD_D
Mode
DTR_D
IPU_DI
IPU_DI
IPU_DI
IPU_DI
IPU_DI
IPU_DI
IPU_DI
CE2
CE2
Alt
TE2
3
–
2
–
–
–
–
–
–
–
–
–
–
–
DATA_0
DATA_1
DATA_2
Mode
USB_P
TRACE
TRACE
TRACE
TRACE
TRACE
CTL
CLK
Alt
WR
4
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Freescale Semiconductor
Mode
EVNTB
EVNTB
EVNTB
EVNTB
US_16
US_17
US_18
US_19
Alt
5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Mode
Alt
6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MCU2_
MCU2_
MCU2_
MCU2_
MCU2_
MCU2_
MCU2_
MCU2_
MCU2_
MCU1_
MCU1_
MCU2_
MCU2_
MCU2_
MCU2_
MCU2_
GPIO
10
11
12
13
14
15
16
27
28
17
18
19
20
21
8
9
–
–
–
–
–
–
–