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TMP89FS60 Datasheet(PDF) 217 Page - Toshiba Semiconductor

Part # TMP89FS60
Description  8 Bit Microcontroller
PDF  410 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP89FS60 Datasheet(HTML) 217 Page - Toshiba Semiconductor

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Page 203
TMP89FS60
RA000
15. Real Time Clock (RTC)
The real time clock is a function that generates interrupt requests at certain intervals using the low-frequency
clock.
The number of interrupts is counted by the software to realize the clock function.
The real time clock can be used only in the operation modes where the low-frequency clock oscillates, except for
SLEEP0.
15.1 Configuration
Figure 15-1 Real Time Clock
15.2 Control
The real time clock is controlled by following resisters.
Low power consumption register 2
POFFCR2
76543
210
(0x0F76)
Bit Symbol
-
-
RTCEN
-
-
-
SIO1EN
SIO0EN
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After reset
00000
000
RTCEN
RTC control
0
1
Disable
Enable
SIO1EN
SIO1 control
0
1
Disable
Enable
SIO0EN
SIO0 control
0
1
Disable
Enable
Real time clock control register
RTCCR
(0x0FC8)
76543
210
Bit Symbol
----
RTCSEL
RTCRUN
Read/Write
RRRR
R/W
R/W
After reset
00000
000
RTCSEL
RTCRUN
INTRTC
interrupt request
fs
(32.768 kHz)
RTCCR
Selector
Binary counter
2
15
/fs
2
14
/fs
2
13
/fs
2
12
/fs
2
11
/fs
2
10
/fs
2
9
/fs
2
8
/fs



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