DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 494

• Manufacturer Part Number: DF2238RTF6
• Description: MCU 2.2/3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of DF2238RTF6

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 6MHz
• Connectivity: I²C, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2238RTF6; HD64F2238RTF6

Section 11 16-Bit Timer Pulse Unit (TPU)
Status Flag Clearing Timing: After a status flag is read as 1 by the CPU, it is cleared by writing
0 to it. When the DTC or DMAC* is activated, the flag is cleared automatically. Figure 11.43
shows the timing for status flag clearing by the CPU, and figure 11.44 shows the timing for status
flag clearing by the DTC or DMAC*.
Note: * Supported only by the H8S/2239 Group.
Rev. 6.00 Mar. 18, 2010 Page 432 of 982
REJ09B0054-0600
TCNT
input clock
TCNT
(underflow)
Underflow
signal
TCFU flag
TCIU interrupt
Address
Write signal
Status flag
Interrupt
request
signal
φ
φ
Figure 11.43 Timing for Status Flag Clearing by CPU
Figure 11.42 TCIU Interrupt Setting Timing
H'0000
TSR write cycle
T
TSR address
1
H'FFFF
T
2