Toshiba H1 Series Data Book page 284

TA3FFCR
Bit symbol
(110DH)
Read/Write
After reset
Read-
modify-
Function
write
instructions
are
prohibited.
Inversion signal for timer flip-flop 3 (TA3FF)
(Don't care except in 8-bit timer mode)
Inversion of TA3FF
Control of TA3FF
Note: The values of bits 4 to 6 of TA3FFCR are "1" when read.
TMRA3 Flip-Flop Control Register
7 6 5
0
TA3FFIS
1
0
TA3FFIE
1
00
01
<TA3FFC1:0>
10
11
Figure 3.12.13 Register for TMRA (9)
92CZ26A-281
4 3
TA3FFC1 TA3FFC0
R/W
1
00: Invert TA3FF
01: Set TA3FF
10: Clear TA3FF
11: Don't care
Inversion by TMRA2
Inversion by TMRA3
Disabled
Enabled
Inverts the value of TA3FF (Software inversion)
Sets TA3FF to "1"
Clears TA3FF to "0"
Don't care
TMP92CZ26A
2 1 0
TA3FFIE TA3FFIS
R/W
1 0 0
TA3FF TA3FF
control for inversion
inversion select
0: Disable 0: TMRA2
1: Enable 1: TMRA3