TMP86C993XB Toshiba, TMP86C993XB Datasheet - Page 91
TMP86C993XB
Manufacturer Part Number
TMP86C993XB
Description
EMULATION CHIP FOR TMP86F SSOP
Manufacturer
Toshiba
Datasheet
1.TMP86C993XB.pdf
(246 pages)
Specifications of TMP86C993XB
Accessory Type
Adapter
For Use With/related Products
TMP86F SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9. Time Base Timer (TBT)
9.1
9.1.1
9.1.2
Time Base Timer Control Register
timer interrupt (INTTBT).
(0036H)
TBTCR
Time Base Timer
The time base timer generates time base for key scanning, dynamic displaying, etc. It also provides a time base
Note 1: fc; High-frequency clock [Hz], fs; Low-frequency clock [Hz], *; Don't care
Configuration
Control
Time Base Timer is controlled by Time Base Timer control register (TBTCR).
TBTEN
TBTCK
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
(DVOEN)
fc/2
23
21
16
14
13
12
11
or fs/2
or fs/2
9
7
or fs/2
or fs/2
or fs/2
or fs/2
or fs/2
or fs/2
Time Base Timer
enable / disable
Time Base Timer interrupt
Frequency select : [Hz]
15
13
8
6
5
4
3
TBTCK
6
Time base timer control register
(DVOCK)
Figure 9-1 Time Base Timer configuration
MPX
3
5
TBTCR
Source clock
(DV7CK)
4
0: Disable
1: Enable
TBTEN
000
001
010
011
100
101
110
111
TBTEN
Page 77
Falling edge
3
detector
DV7CK = 0
NORMAL1/2, IDLE1/2 Mode
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
2
23
21
16
14
13
12
11
9
TBTCK
1
DV7CK = 1
fs/2
fs/2
fs/2
fs/2
fs/2
fs/2
fs/2
fs/2
0
15
13
8
6
5
4
3
(Initial Value: 0000 0000)
release request
INTTBT
interrupt request
IDLE0, SLEEP0
TMP86FH92DMG
SLEEP1/2
SLOW1/2
Mode
fs/2
fs/2
-
-
-
-
-
-
15
13
R/W
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