D6417709SF167BV Renesas Electronics America, D6417709SF167BV Datasheet - Page 470
D6417709SF167BV
Manufacturer Part Number
D6417709SF167BV
Description
IC SUPER H MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.D6417709SBP167BV.pdf
(809 pages)
Specifications of D6417709SF167BV
Core Processor
SH-3
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, IrDA, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
96
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.75 V ~ 2.05 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Part Number:
D6417709SF167BV
Manufacturer:
Renesas Electronics America
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13.3.4
Figure 13.4 shows how to use the alarm function.
Alarms can be generated using seconds, minutes, hours, day of the week, date, month, or any
combination of these. Set the ENB bit (bit 7) to 1 in the register to which the alarm applies, and
then set the alarm time in the lower bits. Clear the ENB bit to 0 in registers to which the alarm
does not apply.
When the clock and alarm times match, 1 is set in the AF bit (bit 0) in RCR1. Alarm detection can
be checked by reading this bit, but normally it is done by interrupt. If 1 is placed in the AIE bit (bit
3) in RCR1, an interrupt is generated when an alarm occurs.
Rev. 5.00, 09/03, page 424 of 760
Alarm Function
(wait for interrupt or
Set whether to use
Monitor alarm time
check alarm flag)
Clear alarm flag
alarm interrupt
Set alarm time
Clock running
Figure 13.4 Using the Alarm Function
Disable interrupts for preventing error
interrupts (clear the AIE bit in RCR1 to 0).
Then write 1 to the AIE bit in RCR1.
Always reset, since the flag may have
been set while the alarm time was being
set (clear the AF bit in RCR1 to 0).
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