HD404629R Datasheet, PDF (80/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

HD404629R Series
• Port mode register C (PMRC: $025): Write-only register that selects R2₀/EVND pin function as shown
in figure 53. It is reset to $0 by MCU reset.
• Detection edge select register 2 (ESR2: $027): Write-only register that selects the detection edge of
signals input to pin EVND as shown in figure 69. It is reset to $0 by MCU reset.
Timer mode register D2 (TMD2: $015)
Bit
3
2
1
0
Initial value
0
0
0
0
Read/Write
R/W
R/W
R/W
R/W
Bit name
TMD23 TMD22 TMD21 TMD20
TMD23 TMD22 TMD21 TMD20
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
!
!
!
! : Don’t care
R1₂/TOD mode selection
R1₂
R1₂ port
TOD Toggle output
TOD 0 output
TOD 1 output
—
Not used
TOD
R1₂
PWM output
Input capture (R1₂ port)
Figure 64 Timer Mode Register D2 (TMD2)
Timer write register D (lower digit) (TWDL: $011)
Bit
Initial value
Read/Write
Bit name
3
0
W
TWDL3
2
0
W
TWDL2
1
0
W
TWDL1
0
0
W
TWDL0
Figure 65 Timer Write Register D Lower Digit (TWDL)
78