Motorola EVB555 Quick Reference page 45

Pin ETK signal name EVB signal name
52 SGA2
53 SGA3
54 SGA4
55 SGA5
56 SGA6
57 SGA7
58 GND
59 SGA8
60 SGA9
61 SGA10
62 SGA11
63 SGA12
64 SGA13
65 SGA14
66 SGA15
67 GND
68 SGA16
69 SGA17
70 SGA18
71 SGA19
72 SGA20
73 SGA21
74 GND
75 SGA22
76 SGA23
77 /SGCSF
78 /SGCSM
79 GND
80 /SGRW
81 GND
82 /SGRW
83 /SGWCS
84 /SGBE0
85 /SGOEF
86 GND
87 GND
88 /SGBE1
89 SGSIZ0
90 SGSIZ1
91 /SGBE2
92 /SGBE3
93 GND
94 /SGINST
95 GND
96 /SGTS
97 /SGCSR
98 GND
99 /SGTA
100 GND
EVB555
Quick Reference
Signal description
SADDR[29] See SADDR[31]
SADDR[28] See SADDR[31]
SADDR[27] See SADDR[31]
SADDR[26] See SADDR[31]
SADDR[25] See SADDR[31]
SADDR[24] See SADDR[31]
GND Ground
SADDR[23] See SADDR[31]
SADDR[22] See SADDR[31]
SADDR[21] See SADDR[31]
SADDR[20] See SADDR[31]
SADDR[19] See SADDR[31]
SADDR[18] See SADDR[31]
SADDR[17] See SADDR[31]
SADDR[16] See SADDR[31]
GND Ground
SADDR[15] See SADDR[31]
SADDR[14] See SADDR[31]
SADDR[13] See SADDR[31]
SADDR[12] See SADDR[31]
SADDR[11] See SADDR[31]
SADDR[10] See SADDR[31]
GND Ground
SADDR[9] See SADDR[31]
SADDR[8] See SADDR[31]
/CS[0] Chip select flash
/CS[3] Chip select dual mapping
GND Ground
Read/write : "1" → read, "0" → write
RD_/WR
GND Ground
/OE Output enable
/SGWCS Chip select SRAM
Write enable: /WE3 is asserted if the data lane
/WE_AT[3]
DATA[24:31] contains valid data.
/SGOEF To gate /OE of flash (flash emulation)
GND Ground
GND Ground
Write enable: /WE2 is asserted if the data lane
/WE_AT[2]
DATA[16:23] contains valid data.
Transfer size: indicates the size of
TSIZ[1]
the requested data transfer.
TSIZ[0] See TSIZ[0]
Write enable: /WE1 is asserted if the data lane
/WE_AT[1]
DATA[8:15] contains valid data.
Write enable: /WE0 is asserted if the data lane
/WE_AT[0]
DATA[0:7] contains valid data.
GND Ground
address type 2:
/IRQ4_AT2
differentiate code or data access
GND Ground
/TS Transfer start: start of a bus cycle that transfers data
/SGCSR Chip select for piggy-back on ETK
GND Ground
/TA Transfer acknowledge: transfer accepted/valid
GND Ground
MOTOROLA
A-47