HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 407
HD6417751RF240V
Manufacturer Part Number
HD6417751RF240V
Description
MPU 1.5/3.3V 0K PB-FREE 256-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417751RBP200DV.pdf
(1226 pages)
Specifications of HD6417751RF240V
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-QFP Exposed Pad, 256-eQFP, 256-HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417751RF240V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Bit 2—30-Second Adjustment (ADJ): Used for 30-second adjustment. When 1 is written to this
bit, a value up to 29 seconds is rounded down to 00 seconds, and a value of 30 seconds or more is
rounded up to 1 minute. The frequency divider circuits (RTC prescaler and R64CNT) are also
reset at this time. This bit always returns 0 if read.
Bit 2: ADJ
0
1
Bit 1—Reset (RESET): The frequency divider circuits are initialized by writing 1 to this bit.
When 1 is written to the RESET bit, the frequency divider circuits (RTC prescaler and R64CNT)
are reset and the RESET bit is automatically cleared to 0 (i.e. does not need to be written with 0).
Bit 1: RESET
0
1
Bit 0—Start Bit (START): Stops and restarts counter (clock) operation.
Bit 0: START
0
1
Note:
*
The 64 Hz counter continues to operate unless stopped by means of the RTCEN bit.
Description
Normal clock operation
30-second adjustment performed
Description
Normal clock operation
Frequency divider circuits are reset
Description
Second, minute, hour, day, day-of-week, month, and year counters are
stopped*
Second, minute, hour, day, day-of-week, month, and year counters operate
normally*
Rev.4.00 Oct. 10, 2008 Page 307 of 1122
11. Realtime Clock (RTC)
REJ09B0370-0400
(Initial value)
(Initial value)
(Initial value)
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