TMPM382FSFG Toshiba, TMPM382FSFG Datasheet - Page 513

• Manufacturer Part Number: TMPM382FSFG
• Manufacturer: Toshiba

Specifications of TMPM382FSFG

• Product Summaries: Summary
• Lead Free: Yes
• Rohs Compatible Product(s): Available
• Rom (kbytes): 64K
• Rom Type: Flash
• Ram (kbytes): 8K
• Number Of Pins: 64
• Package: QFP(14x14)
• Vcc: 5V
• Cpu Mhz: 40
• Ssp (ch) Spi: 1
• I2c/sio (ch): 1
• Uart/sio (ch): 3
• 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: 10
• 16-bit Timer / Counter: 6
• 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

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