HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 750

• Manufacturer Part Number: HD64F2623FA20J
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2623FA20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 21B Power-Down Modes [H8S/2626 Group]
Bit 5—Noise Elimination Sampling Frequency Select (NESEL): This bit selects the sampling
frequency of the subclock ( SUB) generated by the subclock oscillator is sampled by the clock ( )
generated by the system clock oscillator. Set this bit to 0 when =5MHz or more.
Bit 5
NESEL
0
1
Bit 4—Subclock enable (SUBSTP): This bit enables/disables subclock generation.
Bit 4
SUBSTP Description
0
1
Bit 3—Oscillation Circuit Feedback Resistance Control Bit (RFCUT): This bit turns the
internal feedback resistance of the main clock oscillation circuit ON/OFF.
Bit 3
RFCUT
0
1
Bit 2—Reserved: Only write 0 to this bit.
Rev. 5.00 Jan 10, 2006 page 724 of 1042
REJ09B0275-0500
Description
Sampling using 1/32 x
Sampling using 1/4 x
Enables subclock generation
Disables subclock generation
Description
When the main clock is oscillating, sets the feedback resistance ON. When the main
clock is stopped, sets the feedback resistance OFF.
Sets the feedback resistance OFF.
(Initial value)
(Initial value)
(Initial value)