HD64F3687GFP Renesas Electronics America, HD64F3687GFP Datasheet - Page 180
HD64F3687GFP
Manufacturer Part Number
HD64F3687GFP
Description
IC H8 MCU FLASH 56K 64-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GFP
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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HD64F3687GFPMV
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Section 10 Realtime Clock (RTC)
10.3.4
RWKDR counts the BCD-coded day-of-week value on the carry generated once per day by
RHRDR. The setting range is decimal 0 to 6 using bits WK2 to WK0.
Rev.5.00 Nov. 02, 2005 Page 146 of 500
REJ09B0027-0500
Bit
7
6 to 3
2
1
0
Bit Name
BSY
—
WK2
WK1
WK0
Day-of-Week Data Register (RWKDR)
Initial
Value
—
All 0
—
—
—
R/W
R
—
R/W
R/W
R/W
Description
RTC busy
This bit is set to 1 when the RTC is updating (operating)
the values of second, minute, hour, and day-of-week data
registers. When this bit is 0, the values of second, minute,
hour, and day-of-week data registers must be adopted.
Reserved
These bits are always read as 0.
Day-of-week counting
Day-of-week is indicated with a binary code
000: Sunday
001: Monday
010: Tuesday
011: Wednesday
100: Thursday
101: Friday
110: Saturday
111: Reserved (setting prohibited)
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