HD64F2218UTF24 Renesas Electronics America, HD64F2218UTF24 Datasheet - Page 678

• Manufacturer Part Number: HD64F2218UTF24
• Description: IC H8S MCU FLASH 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of HD64F2218UTF24

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 24MHz
• Connectivity: SCI, SmartCard, USB
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• For Use With: 3DK2218-SS - KIT DEV H8S/2218 WINDOWS SIDESHW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

20.5.3
Figure 20.5 shows an example of hardware standby mode timing.
When the STBY pin is driven low after the RES pin has been driven low, a transition is made to
hardware standby mode. Hardware standby mode is cleared by driving the STBY pin high, waiting
for the oscillation stabilization time, then changing the RES pin from low to high.
20.5.4
Timing of Transition to Hardware Standby Mode:
1. To retain RAM contents with the RAME bit set to 1 in SYSCR
2. To retain RAM contents with the RAME bit cleared to 0 in SYSCR, or when RAM contents do
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Drive the RES signal low at least 10 states before the STBY signal goes low, as shown in
figure 20.6. After STBY has gone low, RES has to wait for at least 0 ns before becoming high.
not need to be retained
RES does not have to be driven low as in the above case.
Oscillator
RES
STBY
Hardware Standby Mode Timing
Hardware Standby Mode Timings
STBY
RES
Figure 20.6 Timing of Transition to Hardware Standby Mode
Figure 20.5 Hardware Standby Mode Timing (Example)
t
1
≥ 10 t
cyc
t
2
≥ 0 ns
Oscillation
stabilization
time t
OSC1
Reset exception
handling