TMPM380FWDFG Toshiba, TMPM380FWDFG Datasheet - Page 513
TMPM380FWDFG
Manufacturer Part Number
TMPM380FWDFG
Description
Manufacturer
Toshiba
Datasheet
1.TMPM380FWDFG.pdf
(700 pages)
Specifications of TMPM380FWDFG
Product Summaries
Summary
Lead Free
Yes
Rohs Compatible Product(s)
Available
Rom (kbytes)
128K
Rom Type
Flash
Ram (kbytes)
12K
Number Of Pins
100
Package
QFP(14×20)
Vcc
5V
Cpu Mhz
40
Ssp (ch) Spi
2
I2c/sio (ch)
2
Uart/sio (ch)
5
Usb
-
Can
-
Ethernet
-
External Bus Interface
N
Cs/wait Controller (ch)
-
Dma Controller
2
10-bit Da Converter
-
10-bit Ad Converter
-
12-bit Ad Converter
18
16-bit Timer / Counter
8
Motor / Igbt Control
Y
Real Time Clock
1
Watchdog Timer
Y
Osc Freq Detect
Y
Clock Gear
Y
Low-power Hold Function
-
Remote Control Interface
Y
Hardware Cec Controller
-
Comparators
-
Low-voltage Detector
Y
Etm Hardware Trace
2-bit
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18 Real Time Clock (RTC)
18.5 Operational Description
18.5.1 Reading clock data
The sec. counter operation must be taken into account when using the RTC.
Note : After reset, low-speed oscillator stops oscillation and XT1/XT2 pins are initialized to port-P
The RTC incorporates a sec. counter that generates a 1Hz signal from a 32.768 KHz signal.
1. Using 1Hz interrupt
2. Using pair reading
(PP0,PP1). Please re-setup to RTC registers.
counter. Data can be read correctly if reading data after 1Hz interrupt occurred.
operates carry during reading. To ensure correct data reading, read the clock data twice
as shown below. A pair of data read successively needs to match.
The 1Hz interrupt is generated being synchronized with counting up of the sec.
There is a possibility that the clock data may be read incorrectly if the internal counter
Fig. 18-2 Flowchart of the clock data reading
TMPM380/M382 - 12 / 16 -
RTCPAGER<PAGE> = “0”, then
Clock data reading
Clock data reading
select PAGE0
1
st
data = 2
(2nd)
Start
(1st)
End
nd
YES
data
NO
TMPM380/M382
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