DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 458

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Rev.2.00 May. 28, 2009 Page 418 of 732
REJ09B0059-0200
HFBACKI_0
HFBACKI_1
HSYNCI_0
HSYNCI_1
CSYNCI_0
CSYNCI_1
VSYNCI_0
VSYNCI_1
[Legend]
TWCNT:
TWICR:
TWCR1:
TWCR2:
Figure 14.1 Block Diagram of Duty Measurement Circuit
Free-running counter
Input capture register
Duty measurement control register 1
Duty measurement control register 2
detector
Edge
Clock selection
Control logic
Input capture
Overflow
Interrupt signal
TWOVI
TWENDI
/2
/4
/8
/32
/2048
/32768
/65536
Clock
Clear
TWCNT
TWCR1
TWCR2
TWICR
data bus
Internal