Descriptions and drawings
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X3
Pin
Signal
Host interface modes
Extension Bus 8/16/32 Bit
mode
Extension Bus 8/16 Bit mode
SPM
Extension
MMIO
Extension
38
EXT_A11
39
EXT_A10
40
EXT_A9
41
EXT_A8
42
EXT_A7
43
EXT_A6
44
EXT_A5
45
EXT_A4
46
EXT_A3
47
EXT_A2
48
EXT_A1
EXT_BE2n
EXT_A1
49
EXT_A0
EXT_BE0n
50
GND
51
EXT_D31
extendible
by SPM or
MMIO
SPM_SIO3
MMIO47
52
EXT_D30
extendible
by SPM or
MMIO
SPM_SIO2
MMIO46
53
EXT_D27
extendible
by SPM or
MMIO
SPM_SIRQ
MMIO45
54
EXT_D26
extendible
by SPM or
MMIO
SPM_DIRQ
MMIO44
55
EXT_D19
extendible
by SPM or
MMIO
SPM_CLK
MMIO43
56
EXT_D18
extendible
by SPM or
MMIO
SPM_CSn
MMIO42
57
EXT_D17
extendible
by SPM or
MMIO
SPM_MOSI
MMIO41
58
EXT_D16
extendible
by SPM or
MMIO
SPM_MISO
MMIO40
59
EXT_D7
60
EXT_D6
61
EXT_D5
62
EXT_D4
63
EXT_D3
64
EXT_D2
65
EXT_D1
66
EXT_D0
67
+3V3
68
EXT_D20
EXT_A16
Table 21: Pin assignment X3 host interface Extension Bus modes
NXHX 51ETM | Development Board
DOC120606HW06EN | Revision 6 | English | 201501 | Released | Public
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