DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 840

• 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 23 Clock Pulse Generator
Rev. 6.00 Mar. 18, 2010 Page 778 of 982
REJ09B0054-0600
External
clock 1
External
clock 2
Operation
Port output
External
clock
switching
circuit
EXTAL
Internal
clock
External
interrupt
φ
(1) Port output (clock switching)
(2) Transition to software standby mode
(3) External clock switching
(4) External interrupt generation
(5) Interrupt exception handling
Clock switching
(An interrupt should be input 200 ns or more after transition to software standby mode.)
request
(1)
Figure 23.7 External Clock Switching Timing (Example)
Figure 23.6 External Clock Switching Circuit (Example)
SLEEP instruction
Active (External clock 2)
execution
External clock 1
External clock 2
Control
circuit
(2)
External clock switch request
External interrupt signal
External clock switch signal
200 ns or more
(3)
Software standby mode
(4)
This LSI
Port output
External
interrupt
EXTAL
standby time
(5)
Interrupt exception handling
Active (External clock 1)