Datasheet

16-4 MCF5407 User’s Manual
Pinout
77 GND ——Ground pin
78 TOUT1 O Timer output 8
79 TOUT0 O Timer output 8
80 TIN0 I Timer input
81 EVCC ——3.3-V power input
82 TIN1 I Timer input
83 RAS0
O DRAM row address strobe 16
84 RAS1
O DRAM row address strobe 16
85 GND ——Ground pin
86 CAS0
O DRAM column address strobe 16
87 CAS1
O DRAM column address strobe 16
88 CAS2
O DRAM column address strobe 16
89 EVCC ——3.3-V power input
90 CAS3
O DRAM column address strobe 16
91 DRAMW
O DRAM write 16
92 SRAS
O SDRAM row address strobe 16
93 GND ——Ground pin
94 SCAS
O SDRAM column address strobe 16
95 SCKE O SDRAM clock enable 16
96 BE0
BWE0 O Byte enable/byte write enable 8
97 EVCC ——3.3-V power input
98 BE1
BWE1 O Byte enable/byte write enable 8
99 BE2
BWE2 O Byte enable/byte write enable 8
100 BE3
BWE3 O Byte enable/byte write enable 8
101 GND ——Ground pin
102 SCL I/OD
1
Serial clock line 8
103 SDA I/OD
1
Serial data line 8
104 GND ——Ground pin
1
OD: Open-drain output
Table 16-2. Pins 53–104 (Bottom, Left-to-Right) (Continued)
Pin
Alternate
Function
I/O Description
Drive
(mA)
No Name