m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 231

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

THREE-PHASE WAVEFORM MODE
10.2 Block description
Fig. 10.2.10 Structure of timer A0/A1/A2 mode register (three-phase waveform mode)
Fig. 10.2.11 Structures of timer A0/A1/A2 register and timer A0
10-14
Timer A0/A1/A2 mode register
Timer A0 register (Addresses 47
Timer A1 register (Addresses 49
Timer A2 register (Addresses 4B
f
Note: Use the MOVM or STA(STAD) instruction for writing to this register.
Timer A0
Timer A1
Timer A2
f
Notes 1: Use the MOVM or STA (STAD) instruction for writing to this register. Additionally, make sure writing to this register
i
i
: Frequency of count source
15 to 0
: Frequency of a count source
15 to 0 Any value in the range from “0000
Bit
Bit
Bit
0
1
2
3
4
5
6
7
Writing to this register must be performed in a unit of 16 bits.
2: This register is valid only in three-phase mode 1 of the three-phase waveform mode.
must be performed in a unit of 16 bits.
Any value in the range from 0000
Assuming that the set value = n, the “H” level width of the one-shot pulse is expressed
as follows: n/f
1
1
1
Fix these bits to “011010
Count source select bits
Assuming that the set value = n, the “H” level width of the one-shot pulse is expressed
as follows :
register (Addresses D1
register (Addresses D3
register (Addresses D5
Bit name
i
.
n
f
i
.
(Addresses 56
16
16
2
16
” in the three-phase waveform mode.
16
16
16
, 46
, 48
, 4A
, D0
, D2
, D4
7905 Group User’s Manual Rev.1.0
16
16
16
16
16
16
16
)
)
16
)
See Table 7.2.3.
)
)
)
to FFFF
” to “FFFF
Function
Function
16
to 58
16
can be set.
16
16
(b15)
(b15)
” can be set.
b7
b7
)
Function
1
/A1
1
/A2
(b8)
(b8)
b0
b0
1
b7
b7 b6 b5 b4 b3 b2 b1 b0
b7
register
0 1
Undefined
At reset
At reset
Undefined
At reset
1
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
WO
WO
1
RW
RW
RW
RW
RW
RW
RW
RW
b0
b0
0