HD6417750RF240DV Renesas Electronics America, HD6417750RF240DV Datasheet - Page 402
HD6417750RF240DV
Manufacturer Part Number
HD6417750RF240DV
Description
MPU 3V 16K I-TEMP,PB-FREE 208-QF
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750RF240DV
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-QFP
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:
HD6417750RF240DV
Manufacturer:
HITACHI
Quantity:
7 287
- Current page: 402 of 1164
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Section 11 Realtime Clock (RTC)
11.2.2
RSECCNT is an 8-bit readable/writable register used as a counter for setting and counting the
BCD-coded second value in the RTC. It counts on the carry (transition of the R64CNT.1Hz bit
from 0 to 1) generated once per second by the 64 Hz counter.
The setting range is decimal 00 to 59. The RTC will not operate normally if any other value is set.
Write processing should be performed after stopping the count with the START bit in RCR2, or
by using the carry flag.
RSECCNT is not initialized by a power-on or manual reset, or in standby mode.
Bit 7 is always read as 0. A write to this bit is invalid, but the write value should always be 0.
11.2.3
RMINCNT is an 8-bit readable/writable register used as a counter for setting and counting the
BCD-coded minute value in the RTC. It counts on the carry generated once per minute by the
second counter.
The setting range is decimal 00 to 59. The RTC will not operate normally if any other value is set.
Write processing should be performed after stopping the count with the START bit in RCR2, or
by using the carry flag.
RMINCNT is not initialized by a power-on or manual reset, or in standby mode.
Bit 7 is always read as 0. A write to this bit is invalid, but the write value should always be 0.
Rev.7.00 Oct. 10, 2008 Page 316 of 1074
REJ09B0366-0700
Initial value:
Initial value:
Second Counter (RSECCNT)
Minute Counter (RMINCNT)
R/W:
R/W:
Bit:
Bit:
—
—
R
R
7
0
7
0
Undefined Undefined Undefined Undefined Undefined Undefined Undefined
Undefined Undefined Undefined Undefined Undefined Undefined Undefined
R/W
R/W
6
6
10-second units
10-minute units
R/W
R/W
5
5
R/W
R/W
4
4
R/W
R/W
3
3
1-second units
R/W
1-minute units
R/W
2
2
R/W
R/W
1
1
R/W
R/W
0
0
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