QFP Pin# I/O
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Table 10: 68-lead Flat Pack Pin Descriptions
Name
Active
Description
AD14
--- Bit 14 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD13
--- Bit 13 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD12
--- Bit 12 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD11
--- Bit 11 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD10
--- Bit 10 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD9
--- Bit 9 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD8
--- Bit 8 of the Address/Data bus. This pin is a dedicated address
pin when operating with 8-bit wide bus cycles. For 16-bit wide
bus cycles, this pin is used as multiplexed address and data.
AD7
--- Bit 7 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD6
--- Bit 6 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD5
--- Bit 5 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD4
--- Bit 4 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD3
--- Bit 3 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD2
--- Bit 2 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD1
--- Bit 1 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
AD0
--- Bit 0 of the Address/Data bus. This pin is used as multiplexed
address and data for both 8- and 16-bit wide bus cycles.
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