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CHAPTER 11 8/16-BIT COMPOSITE TIMER
11.14 Registers
● Read and write operations
Read and write operations of Tn0DR and Tn1DR are performed in the following manner in 16-
bit operation or when the PWM timer function (variable-cycle) is selected.
•
Read from Tn1DR:
•
Read from Tn0DR:
•
Write to Tn1DR:
•
Write to Tn0DR:
Figure 11.14-1 shows the Tn0DR and Tn1DR registers read from and written to during 16-bit
operation.
Figure 11.14-1 Read and Write Operations of Tn0DR and Tn1DR Registers during 16-bit
Write
data
Tn1DR
write
172
In addition to the read access to Tn1DR, the value of Tn0DR is
also stored in the internal read buffer at the same time.
The internal read buffer is read.
Data is written to the internal write buffer.
In addition to the write access to Tn0DR, the value of the internal
write buffer is stored in Tn1DR at the same time.
Operation
Tn0DR
register
Write
Tn1DR
buffer
register
Tn0DR
write
FUJITSU SEMICONDUCTOR LIMITED
MB95630H Series
Read
buffer
Tn1DR
read
Read
data
Tn0DR
read
MN702-00009-1v0-E
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