MC9328MX21S Datasheet, PDF (84/88 Pages) Freescale Semiconductor, Inc – MX family of microprocessors

4 Pin Assignment and Package Information
Table 40. i.MX21S 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 PB10
PB16
PB20
USBH1_ USBH1_ USBG_
FS
OE
FS
TOUT
SAP_
TXDAT
SSI1_
CLK
SSI2_
RXDAT
SSI2_TXDAT
SSI3_
FS
B LD7
LD5
LD11 LD16
PS
CON
TRAST
SD2_D0
SD2_
CMD
PB14
PB18
USB_ USBG_ USBG_ SAP_
PWR
SCL TXDM
FS
SSI1_
FS
SSI2_
FS
SSI3_
TXDAT
I2C_DATA
CSPI2_
SS2
C LD1
LD3
LD6 LD10 LD17 VSYNC SD2_D3 PB11 PB15
PB21
USB_ USBH1_ USBG_
OC RXDM RXDM
TIN
SSI1_ SSI3_
TXDAT RXDAT
SSI3_
CLK
I2C_CLK
CSPI2_
SS1
D LD2
LD0
LD13
CLS
QVDD
QVSS
SD2_D1
SD2_
CLK
PB12
PB19
USBH1_ USBH1_ USBG_ USBG_
TXDM RXDP ON 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_ CSPI1_
SS1
MISO
KP_ROW0
CSPI1_
SS0
G
A22_
NFIO12
D29
A23_
NFIO13
D30
NVDD6 NVSS6 PB13
USB_ USBH_ USBG_ USBG_
BYP
ON
SDA TXDP
KP_
ROW1
KP_
ROW3
PE3
KP_
ROW4
H A20
D27
A21_
NFIO11
D28
NVDD1 NVSS5
PB17
CSPI1_ CSPI1_ USBH1_ USBG_
SCLK RDY
TXDP
OE
TEST_
WB4
TEST_
WB2
TEST_WB3 PWMO
J A19 A18 D25 D26
NVDD1 NVDD5 NVDD4
KP_
ROW5
KP_ CSPI1_ TEST_
ROW2 MOSI WB0
PE4 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
PE6
UART3_
RTS
UART3_CTS
UART3_
TXD
M D19
A13_
NFIO8
D20
D18
NVDD2 NVDD3 NVSS3 QVSS NFIO7
NFRB
EXT_
48M
PE7
UART3_
RXD
UART1_RTS
UART1_
CTS
N A11 A12 D17 D16
LBA NVSS3 SDCKE0 NVSS1 NVSS1 NVDD1 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