DF2265TE13V Renesas Electronics America, DF2265TE13V Datasheet - Page 623

• Manufacturer Part Number: DF2265TE13V
• Description: IC H8S/2265 MCU FLASH 100TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of DF2265TE13V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 13MHz
• Connectivity: I²C, SCI, SmartCard
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 67
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

PSCKT20A_000020020700
This LSI has an internal power step-down circuit built into it. Using this circuit allows the internal
power supply to be fixed at approximately 3.0 V without relaying on the power supply voltage
connected to the external Vcc terminal. This means that, when used at an external power supply
higher than 3.0 V, the current consumption value can be suppressed to largely the same value as
that when used at approximately 3.0 V. If the external voltage is 3.0 V or less, the internal voltage
will be largely consistent with the external voltage.
23.1
As shown in figure 23.1, an external power supply should be connected to the Vcc pin, using the
shortest possible wiring, with a capacitance (H8S/2268 Group: 0.1 μF/0.2 μF and H8S/2264
Group: 0.2 μF) between CVcc and Vss. Adding this external circuit makes the internal step-down
circuit valid. Applying a power supply exceeding the absolute maximum rated value of 4.3 V to
the CVcc terminal can permanently damage the LSI, so the power supply should not be connected
to the CVcc terminal. The external power supply voltage connected to Vcc and the GND potential
connected to Vss serve as the references for the input/output levels of the external circuit. For
example, a “High” port input/output level will be the Vcc reference, and a “Low” level will be the
Vss reference. The analog power supplies of the A/D converter, D/A converter * , and DTMF
generation circuit * do not affect the internal step-down circuit.
Note: * Supported only by the H8S/2268 Group.
When Internal Power Step-Down Circuit Is Used
Figure 23.1 Power Supply Connections When Internal Power Supply
Internal
logic
Step-down
voltage circuit
Internal
power
supply
Section 23 Power Supply Circuit
Vcc
CVcc
Vss
Step-Down Circuit Is Used
Stabilized capacitance
(H8S/2268 Group: 0.1 µF/0.2 µF and H8S/2264 Group: 0.2 µF)
Vcc 2.7 to 5.5 V
(Vcc = 3.0 to 5.5 V for the F-ZTAT version)
Rev. 5.00 Sep. 01, 2009 Page 571 of 656
Section 23 Power Supply Circuit
REJ09B0071-0500