PXD20 Datasheet, PDF (31/130 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Pinout and signal descriptions
Table 5. Nexus pins (continued)
System pin
Function
Pad
type
PCR
176 LQFP
Pin number¹
208 LQFP
416 TEPBGA
MDO[8]
Nexus Msg Data Out
M
PCR[193]
n/a
n/a
AE18
MDO[9]
Nexus Msg Data Out
M
PCR[194]
n/a
n/a
AF18
MDO[10] Nexus Msg Data Out
M
PCR[195]
n/a
n/a
AC19
MDO[11] Nexus Msg Data Out
M
PCR[196]
n/a
n/a
AF19
1 _{On the 176 LQFP and 208 LQFP package options the Nexus pins are multiplexed with other GPIO. On the 416 TEPBGA}
package, there are additional dedicated Nexus pins.
2.4.6 DRAM interface
The DRAM interface pins are listed in Table 6.
Table 6. DRAM interface pin summary
Port pin¹
Function
DRAM Data Bus
DDR_DQ[31] DRAM Data Bus [31]
DDR_DQ[30] DRAM Data Bus [30]
DDR_DQ[29] DRAM Data Bus [29]
DDR_DQ[28] DRAM Data Bus [28]
DDR_DQ[27] DRAM Data Bus [27]
DDR_DQ[26] DRAM Data Bus [26]
DDR_DQ[25] DRAM Data Bus [25]
DDR_DQ[24] DRAM Data Bus [24]
DDR_DQ[23] DRAM Data Bus [23]
DDR_DQ[22] DRAM Data Bus [22]
DDR_DQ[21] DRAM Data Bus [21]
DDR_DQ[20] DRAM Data Bus [20]
DDR_DQ[19] DRAM Data Bus [19]
DDR_DQ[18] DRAM Data Bus [18]
DDR_DQ[17] DRAM Data Bus [17]
DDR_DQ[16] DRAM Data Bus [16]
DDR_DQ[15] DRAM Data Bus [15]
DDR_DQ[14] DRAM Data Bus [14]
DDR_DQ[13] DRAM Data Bus [13]
DDR_DQ[12] DRAM Data Bus [12]
I/O
direction
Pad
type
PCR
RESET
config²
Pin number
416 TEPBGA
I/O
DDR PCR[237] None, None
A6
I/O
DDR PCR[238] None, None
A5
I/O
DDR PCR[239] None, None
A4
I/O
DDR PCR[240] None, None
A3
I/O
DDR PCR[241] None, None
A2
I/O
DDR PCR[242] None, None
A1
I/O
DDR PCR[243] None, None
B1
I/O
DDR PCR[244] None, None
C4
I/O
DDR PCR[245] None, None
C1
I/O
DDR PCR[246] None, None
D4
I/O
DDR PCR[247] None, None
D3
I/O
DDR PCR[248] None, None
D2
I/O
DDR PCR[249] None, None
D1
I/O
DDR PCR[250] None, None
E4
I/O
DDR PCR[251] None, None
E1
I/O
DDR PCR[252] None, None
F1
I/O
DDR PCR[253] None, None
G1
I/O
DDR PCR[254] None, None
G4
I/O
DDR PCR[255] None, None
H1
I/O
DDR PCR[256] None, None
H4
PXD20 Microcontroller Data Sheet, Rev. 2
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
31