r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 467

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

10.7.8
When the buffer transfer timing is set at the TCNT clear by the buffer transfer mode register
(TBTM), if TCNT clear occurs in the T2 state of a TGR write cycle, the data that is transferred to
TGR by the buffer operation is the data before write.
Figure 10.124 shows the timing in this case.
Figure 10.124 Contention between Buffer Register Write and TCNT Clear
Address
Write signal
TCNT clear
signal
Buffer transfer
signal
Buffer register
TGR
Contention between Buffer Register Write and TCNT Clear
MPφ
N
TGR write cycle
Buffer register
T1
address
Section 10 Multi-Function Timer Pulse Unit 2 (MTU2)
T2
Rev. 1.00 Sep. 21, 2007 Page 441 of 1124
M
N
Buffer register write data
REJ09B0402-0100