Question $1(15$ Marks$)$

$3.$ For a memory with organisation $64M4,$ find

i$.$ Number of address pins

ii$.$ Number of data pins.

NB: Show all work where necessary.

$[2$ Marks$]$

b$.$ Using the AVR assembly language instruction description for BRCC below in Figure $1.$ Derive the $16-$bit machine code for the following instructions. Write the result in hexadecimal.

i$.,BRCC037$

BRCC $-$ Branch if Carry Cleared

Description:

Conditional relative branch. Tests the Carry flag $($C$)$ and branches relatively to $PC$ if $C$ is cleared. This instruction branches relatively to $PC$ in either direction $(PC-63$destination$PC+64).$ The parameter $k$ is the offset from $PC$ and is represented in two's complement form, $($Equivalent to instruction BRBC $0.k).$

$($i$)$ Oporation: IfC$=0$ then $PC-PC+k+1,$ else $PC-PC+1$

$\backslash$table$[[,\backslash$table$[[$Syntax:$],[$BRCC k$]],\backslash$table$[[$Operands:$],[-64k+63$