m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 455

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

APPENDIX
Appendix 2. Control registers
20-24
Timer A0 register (Addresses 47
Timer A1 register (Addresses 49
Timer A2 register (Addresses 4B
Timer A3 register (Addresses 4D
Timer A4 register (Addresses 4F
f
Note: Use the MOVM or STA(STAD) instruction for writing to this register.
Timer Ai mode register (i = 0 to 4) (Addresses 56
Timer Ai mode register (i = 5 to 9) (Addresses D6
i
: Frequency of count source
15 to 0 Any value in the range from “0000
Bit
Bit
One-shot pulse mode
0
1
2
3
4
5
6
7
Writing to this register must be performed in a unit of 16 bits.
Assuming that the set value = n, the “H” level width of the one-shot pulse which is
output from the TAi
Operating mode select bits
Fix this bit to “1” in one-shot pulse mode.
Trigger select bits
Fix this bit to “0” in one-shot pulse mode.
Count source select bits
Bit name
OUT
pin is expressed as follows :
16
16
16
16
16
, 46
, 48
, 4E
, 4A
, 4C
16
16
16
16
16
7905 Group User’s Manual Rev.1.0
)
)
b4 b3
)
16
b1 b0
0 0 :
0 1 :
1 0 : Falling edge of TAi
1 1 : Rising edge of TAi
1 0 : One-shot pulse mode
See Table 7.2.3.
)
)
” to “FFFF
Function
Writing “1” to one-shot start bit
(TAi
port pin.)
Timer A5 register (Addresses C7
Timer A6 register (Addresses C9
Timer A7 register (Addresses CB
Timer A8 register (Addresses CD
Timer A9 register (Addresses CF
16
16
16
(b15)
IN
to 5A
” can be set.
to DA
b7
pin functions as a programmable I/O
16
16
)
)
Function
n
f
IN
N
i
.
pin’s input signal
pin’s input signal
(b8)
b0
b7
b7 b6 b5 b4 b3 b2 b1 b0
16
16
16
16
16
, C6
, C8
, CE
, CA
, CC
0
16
16
16
16
Undefined
16
At reset
At reset
)
)
)
)
)
0
0
0
0
0
0
0
0
1
R/W
R/W
WO
RW
RW
RW
RW
RW
RW
RW
RW
1 0
b0
Reference
Reference
10-13
10-13
7-30
7-30
7-33
7-5