HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 843
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of HD64F2239TF20I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2239TF20I
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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23.7.2
If no subclock is required, connect the OSC1 pin to Vss and leave OSC2 open, as shown in figure
23.10. The SUBSTP bit in LPWRCR must be set to 1. If the SUBSTP bit is not set to 1, transitions
to the power-down modes may not complete normally.
On the H8S/2237 and H8S/2227 Group, the OSC1 pin should be connected to VCC.
23.8
To eliminate noise from the subclock input to OSCI, the subclock is sampled using the dividing
clock φ. The sampling frequency is set using the NESEL bit of LPWRCR. For details, see section
23.1.2, Low Power Control Register (LPWRCR).
No sampling is performed in sub-active mode, sub-sleep mode, or watch mode.
23.9
23.9.1
As various characteristics related to the crystal resonator are closely linked to the user’s board
design, thorough evaluation is necessary on the user’s part, using the resonator connection
examples shown in this section as a guide. As the resonator circuit ratings will depend on the
floating capacitance of the resonator and the mounting circuit, the ratings should be determined in
consultation with the resonator manufacturer. The design must ensure that a voltage exceeding the
maximum rating is not applied to the oscillator pin.
Usage Notes
Note on Crystal Resonator
Handling Pins when Subclock Not Required
Subclock Waveform Generation Circuit
Figure 23.10 Pin Handling when Subclock Not Required
OSC2
OSC1
Rev. 6.00 Mar. 18, 2010 Page 781 of 982
Open
Section 23 Clock Pulse Generator
REJ09B0054-0600
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