HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 557
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
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:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 557 of 980
- Download datasheet (6Mb)
15.3.8
RYRCNT is used for setting/counting in the BCD-coded year section. The 4 digits of the year are
displayed. The count operation is performed by a carry for each year of the month counter.
The range for year which can be set is 0000 to 9999 (decimal). Errant operation will result if any
other value is set. Carry out write processing after stopping the count operation with the START
bit in RCR2 or using a carry flag.
RYRCNT is a 16-bit readable/writable register and not initialized by a power-on reset or manual
reset, or in standby mode.
Leap years are recognized by dividing the year counter value by 4 and obtaining a fractional result
of 0. The year counter value of 0000 is included in the leap year.
Bit
7 to 5
4
3 to 0
Bit
15 to 12
11 to 8
7 to 4
3 to 0
Year Counter (RYRCNT)
Bit Name
Bit Name
Initial Value
All 0
Initial Value
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value
Counter for 10-unit of month in the BCD-code.
The range can be set from 0 to 1 (decimal).
Counter for 1-unit of month in the BCD-code.
The range can be set from 0 to 9 (decimal).
Description
Counter for 1000-unit of year in the BCD-code.
The range can be set from 0 to 9 (decimal)
Counter for 100-unit of year in the BCD-code.
The range can be set from 0 to 9 (decimal).
Counter for 10-unit of year in the BCD-code.
The range can be set from 0 to 9 (decimal).
Counter for 1-unit of year in the BCD-code.
The range can be set from 0 to 9 (decimal).
should always be 0.
Rev. 1.00 Dec. 27, 2005 Page 513 of 932
Section 15 Realtime Clock (RTC)
REJ09B0269-0100
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