HD64F3644PV Renesas Electronics America, HD64F3644PV Datasheet - Page 114
HD64F3644PV
Manufacturer Part Number
HD64F3644PV
Description
IC H8/3644 MCU FLASH 32K 64SDIP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3644PV
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-SDIP (0.750", 19.05mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3644PV
Manufacturer:
Renesas Electronics America
Quantity:
135
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Section 5 Power-Down Modes
System Control Register 2 (SYSCR2)
SYSCR2 is an 8-bit read/write register for power-down mode control.
Upon reset, SYSCR2 is initialized to H'E0.
Bits 7 to 5 Reserved Bits: These bits are reserved; they are always read as 1, and cannot be
modified.
Bit 4 Noise Elimination Sampling Frequency Select (NESEL): This bit selects the frequency
at which the watch clock signal (
relation to the oscillator clock (
2 to 10 MHz, clear NESEL to 0.
Bit 4: NESEL
0
1
Rev. 6.00 Sep 12, 2006 page 92 of 526
REJ09B0326-0600
Bit
Initial value
Read/Write
Sampling rate is
Sampling rate is
Description
7
1
1
6
OSC
W
) generated by the subclock pulse generator is sampled, in
) generated by the system clock pulse generator. When
OSC
OSC
/16
/4
5
1
NESEL
R/W
4
0
DTON
R/W
3
0
MSON
R/W
2
0
R/W
SA1
1
0
(initial value)
R/W
SA0
OSC
0
0
=
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