HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 432

• 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 12 Watchdog Timer
WDT0 TCSR Bit 4—Reserved Bit: This bit is always read as 1 and cannot be modified.
WDT1 TCSR Bit 4—Prescaler Select (PSS): This bit is used to select an input clock source for
the TCNT of WDT1.
See the descriptions of Clock Select 2 to 0 for details.
This bit cannot be used in the H8S/2623 Group.
WDT1 TCSR
Bit 4
PSS
0
1
WDT0 TCSR Bit 3—Reserved Bit: This bit is always read as 1 and cannot be modified.
WDT1 TCSR Bit 3—Reset or NMI (RST/NMI
reset request and an NMI request when the TCNT overflows during the watchdog timer mode.
This bit cannot be used in the H8S/2623 Group.
Bit 3
RTS/NMI
0
1
Rev. 5.00 Jan 10, 2006 page 406 of 1042
REJ09B0275-0500
NMI
NMI
NMI
Description
The TCNT counts frequency-division clock pulses of the
prescaler (PSM).
The TCNT counts frequency-division clock pulses of the
(PSS).
Description
NMI request.
Internal reset request.
NMI
NMI
NMI): This bit is used to choose between an internal
based
SUB-based prescaler
(Initial value)
(Initial value)