HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 197
HD64F36077GHV
Manufacturer Part Number
HD64F36077GHV
Description
16BIT MCU FLASH 56K, SMD, LQFP64
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F36077GHV.pdf
(524 pages)
Specifications of HD64F36077GHV
No. Of I/o's
47
Ram Memory Size
4KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Supply Voltage Range
4.5V
Core Size
16bit
Program Memory Size
56KB
Oscillator Type
External Only
Controller Family/series
H8/300H
Peripherals
ADC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F36077GHV
Manufacturer:
RENESAS
Quantity:
340
Part Number:
HD64F36077GHV
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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10.3.7
RTCCSR selects clock source. A free running counter controls start/stop of counter operation by
the RUN bit in RTCCR1. When a clock other than 32.768 kHz is selected, the RTC is disabled
and operates as an 8-bit free running counter. When the RTC operates as an 8-bit free running
counter, RSECDR enables counter values to be read. An interrupt can be generated by setting 1 to
the FOIE bit in RTCCR2 and enabling an overflow interrupt of the free running counter. A clock
in which the system clock is divided by 32, 16, 8, or 4 is output in active or sleep mode.
[Legend] X: Don't care.
Bit
7
6
5
4
3
2
1
0
Clock Source Select Register (RTCCSR)
Bit Name
—
RCS6
RCS5
—
RCS3
RCS2
RCS1
RCS0
Initial
Value
0
0
0
0
1
0
0
0
R/W
—
R/W
R/W
—
R/W
R/W
R/W
R/W
Description
Reserved
This bit is always read as 0.
Clock Output Selection
Selects a clock output from the TMOW pin when setting
TMOW in PMR1 to 1.
00: φ/4
01: φ/8
10: φ/16
11: φ/32
Reserved
This bit is always read as 0.
Clock Source Selection
0000: φ/8⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0001: φ/32⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0010: φ/128⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0011: φ/256⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0100: φ/512⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0101: φ/2048⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0110: φ/4096⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
0111: φ/8192⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ Free running counter operation
1XXX: 32.768 kHz⋅⋅⋅RTC operation
Rev. 1.00 Sep. 16, 2005 Page 167 of 490
Section 10 Realtime Clock (RTC)
REJ09B0216-0100
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