Complete the partial code below to turn on GPIO port clocks to Ports A, B, and D without affecting any other port clocks utilizing read-modify-write procedure. Assume all provided code is correct, and select the correct register (XX) and the missing line of code (YY) from the choices below. SIM_SCGC5 EQU Ox40048038; bits 13-9 control clocks for Port E-A, respectivel LDR R1, =SIM_SCGC5; load config. reg. address LDR R2, [R1] YY ORRS R2, XX STR R2, [R1]

Computer Networking: A Top-Down Approach (7th Edition)
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Chapter1: Computer Networks And The Internet
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Question 12
Complete the partial code below to turn on GPIO port clocks to Ports A, B, and D
without affecting any other port clocks utilizing read-modify-write procedure.
Assume all provided code is correct, and select the correct register (XX) and the
missing line of code (YY) from the choices below.
SIM_SCGC5 EQU 0x40048038; bits 13-9 control clocks for Port E-A, respectively
LDR R1, =SIM_SCGC5; load config. reg. address
LDR R2, [R1]
YY
ORRS R2, XX
STR R2, [R1]
A) XX = R3, YY = LDR R3, =0x1600
B) XX = R3, YY = LDR R3, =0XOBOO
O C) XX = R4, YY = LDR R4, =OXOB00
D) XX = R2, YY = LDR R2, =0x1600
Question 11 (
Determine the specified parity bits "X" and "Y" for the following two 7-bit serial data
values.
• 001.1100, odd parity bit X
• 110.1101, even parity bit = Y
A) X = 0, Y = 1
B) X = 0, Y = 0
C) X = 1, Y = 1
D) X = 1, Y = 0
Transcribed Image Text:Question 12 Complete the partial code below to turn on GPIO port clocks to Ports A, B, and D without affecting any other port clocks utilizing read-modify-write procedure. Assume all provided code is correct, and select the correct register (XX) and the missing line of code (YY) from the choices below. SIM_SCGC5 EQU 0x40048038; bits 13-9 control clocks for Port E-A, respectively LDR R1, =SIM_SCGC5; load config. reg. address LDR R2, [R1] YY ORRS R2, XX STR R2, [R1] A) XX = R3, YY = LDR R3, =0x1600 B) XX = R3, YY = LDR R3, =0XOBOO O C) XX = R4, YY = LDR R4, =OXOB00 D) XX = R2, YY = LDR R2, =0x1600 Question 11 ( Determine the specified parity bits "X" and "Y" for the following two 7-bit serial data values. • 001.1100, odd parity bit X • 110.1101, even parity bit = Y A) X = 0, Y = 1 B) X = 0, Y = 0 C) X = 1, Y = 1 D) X = 1, Y = 0
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