DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 373

• 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: -

Note:
12.3.6
TCNT is a 16-bit readable/writable counter. The TPU has a total of three TCNT counters, one for
each channel. TCNT is initialized to H'0000 by a reset, and in hardware standby mode. TCNT
cannot be accessed in 8-bit units; it must always be accessed in 16-bit units.
Bit
1
0
Bit Name Initial Value R/W
TGFB
TGFA
* Only 0 can be written to clear the flags.
Timer Counter (TCNT)
0
0
R/(W)* Input Capture/Output Compare Flag B
R/(W)* Input Capture/Output Compare Flag A
Description
Status flag that indicates the occurrence of TGRB input
capture or compare match.
[Setting conditions]
•
•
[Clearing condition]
•
Status flag that indicates the occurrence of TGRA input
capture or compare match.
[Setting conditions]
•
•
[Clearing condition]
•
When TCNT = TGRB while TGRB is functioning as
output compare register
When TCNT value is transferred to TGRB by input
capture signal while TGRB is functioning as input
capture register
When 0 is written to TGFB after reading TGFB = 1
When TCNT = TGRA while TGRA is functioning as
output compare register
When TCNT value is transferred to TGRA by input
capture signal while TGRA is functioning as input
capture register
When 0 is written to TGFA after reading TGFA = 1
Rev.2.00 May. 28, 2009 Page 333 of 732
REJ09B0059-0200