MC
94MX21
T
e
c
h
nic
a
l
Da
ta
,Re
v
.1.
Fre
e
scale
Semico
nductor
95
Pin
Ass
ignme
nt
and
Pack
age
Informa
tion
4
Pin Assignment and Package Information
Table 46. i.MX21 Pin Assignment
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
LD9
LD12
LD14
REV
HSYNC
OE_
ACD
SD2_D2
CSI_
D0
CSI_
PIXCLK
CSI_
VSYNC
USBH1_
FS
USBH1_
OE
USBG_
FS
TOUT
SAP_
TXDAT
SSI1_
CLK
SSI2_
RXDAT
SSI2_TXDAT
SSI3_
FS
B
LD7
LD5
LD11
LD16
PS
CON
TRAST
SD2_D0
SD2_
CMD
CSI_
D4
CSI_D6
USB_
PWR
USBG_
SCL
USBG_
TXDM
SAP_
FS
SSI1_
FS
SSI2_
FS
SSI3_
TXDAT
I2C_DATA
CSPI2_
SS2
C
LD1
LD3
LD6
LD10
LD17
VSYNC SD2_D3
CSI_
D1
CSI_
MCLK
CSI_
HSYNC
USB_
OC
USBH1_
RXDM
USBG_
RXDM
TIN
SSI1_
TXDAT
SSI3_
RXDAT
SSI3_
CLK
I2C_CLK
CSPI2_
SS1
D
LD2
LD0
LD13
CLS
QVDD
QVSS
SD2_D1
SD2_
CLK
CSI_
D2
CSI_D7
USBH1_
TXDM
USBH1_
RXDP
USBG_
ON
USBG_
RXDP
SAP_
RXDAT
SSI1_
RXDAT
SSI2_
CLK
CSPI2_SS0
CSPI2_
SCLK
E
LD8
LD4
LD15
SPL_
SPR
SAP_
CLK
CSPI2_
MISO
CSPI1_SS2
CSPI2_
MOSI
F
A24_
NFIO14
D31
A25_
NFIO15
LSCLK
CSPI1_
SS1
CSPI1_
MISO
KP_ROW0
CSPI1_
SS0
G
A22_
NFIO12
D29
A23_
NFIO13
D30
NVDD6
NVSS6
CSI_D3
USB_
BYP
USBH_
ON
USBG_
SDA
USBG_
TXDP
KP_
ROW1
KP_
ROW3
UART2_CTS
KP_
ROW4
H
A20
D27
A21_
NFIO11
D28
NVDD1
NVSS5
CSI_D5
CSPI1_
SCLK
CSPI1_
RDY
USBH1_
TXDP
USBG_
OE
TEST_
WB4
TEST_
WB2
TEST_WB3
PWMO
J
A19
A18
D25
D26
NVDD1
NVDD5
NVDD4
KP_
ROW5
KP_
ROW2
CSPI1_
MOSI
TEST_
WB0
UART2_
RTS
KP_COL1
KP_COL0
TEST_
WB1
K
A16
A17
D23
D24
NVSS1
NVSS4
QVDDX
UART1_
RXD
TDO
QVDD
QVSS
KP_
COL3
KP_COL5
KP_COL4
KP_
COL2
L
A14_
NFIO9
A15_
NFIO10
D21
D22
NVSS1
NVDD3
QVDD
QVSS
NFIO2
NFWP
UART1_
TXD
UART2_
TXD
UART3_
RTS
UART3_CTS
UART3_
TXD
M
D19
A13_
NFIO8
D20
D18
NVDD2
NVDD3
NVSS3
QVSS
NFIO7
NFRB
EXT_
48M
UART2_
RXD
UART3_
RXD
UART1_RTS
UART1_
CTS
N
A11
A12
D17
D16
LBA
NVSS3 SDCKE0
NVSS1
NVDD1
SD1_
D0
TCK
SD1_D1
RTCK
P
A9
A10
D15
D14
SD1_
D2
SD1_
CMD
TDI
TMS
R
A7
A8
D13
D12
SD1_
CLK
EXT_
266M
NVSS2
TRST
T
A5
A6
EB3
D10
CS3
CS1
BCLK
MA11
RAS
CAS
NFIO5
NFIO3
NFWE
RESET_
IN
NFCE
BOOT1
SD1_D3
CLKMODE1
CLK
MODE0
U
D11
EB1
EB2
OE
CS4
D6
ECB
D3
MA10
PC_
PWRON
PF16
NFIO4
NFIO1
NFALE
NFCLE
POR
BOOT2
BOOT3
XTAL32K
V
A4
EB0
D9
D8
CS5
D5
CS0
RW
D1
JTAG_
CTRL
SDWE
CLKO
NFIO6
QVSS
RESET_
OUT
BOOT0
OSC26M_
TEST
VDDA
EXTAL
32K
W
A3
A2
D7
A1
CS2
A0
D4
D2
D0
SDCLK
SDCKE1
NFIO0
NFRE
QVDD
QVSS
EXTAL
26M
XTAL26M
QVDD
QVSS
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MC94MX21DVKN3