DF2398TE20 Renesas Electronics America, DF2398TE20 Datasheet - Page 732

• Manufacturer Part Number: DF2398TE20
• Description: IC H8S MCU FLASH 256K 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2398TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 120-TQFP, 120-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2398TE20; HD64F2398TE20

22.1.5
Table 22-10 lists the D/A conversion characteristics.
Table 22-10 D/A Conversion Characteristics
Conditions: V
22.2
The H8S/2398, H8S/2394, H8S/2392, or H8S/2390 have a voltage step down circuit that automatically lowers the power
supply voltage, inside the microcomputer, to an adequate level. A capacitor (one 0.47- F capacitor or two 0.47- F
capacitors connected in parallel) should be connected between the V
and V
power-supply to the V
in the usual way.)
Rev.6.00 Oct.28.2004 page 702 of 1016
REJ09B0138-0600H
SS
pin to stabilize the internal voltage. Figure 22-32 shows how to connect the capacitor. Do not connect the V
D/A Conversion Characteristics
Usage Note (Internal Voltage Step Down for the H8S/2398, H8S/2394, H8S/2392, and
H8S/2390)
Item
Resolution
Conversion time
Absolute accuracy
T
a
CC
= 10 to 20 MHz, T
= –40 to +85 C (wide-range specifications)
= AV
CC
CL
An external capacitor to
stabilize the internal voltage
One 0.47- F capacitor
or two 0.47- F capacitors
connected in parallel
pin. Doing so could permanently damage the LSI. (Connect the V
Do not connect the V
Doing so could permanently damage the LSI.
(Connect the V
Use a multilayer ceramic capacitor (one 0.47- F capacitor or two
0.47- F capacitors connected in parallel) for this circuit, and place it/them
near the V
= 5.0 V 10%, V
a
= –20 to +75 C (regular specifications),
Figure 22-32 V
CL
Min
8
—
—
—
pin.
CC
ref
power-supply to the other V
= 4.5 V to AV
CC
power-supply to the V
Typ
8
—
—
1.0
CL
Capacitor Connection Method
CC
V
V
CL
SS
, V
Max
8
10
1.0
1.5
SS
= AV
CL
CC
CL
pin (a pin for internal voltage step down circuit)
SS
pin.
pin in the usual way.)
= 0 V,
Unit
bits
LSB
LSB
s
Test Conditions
20-pF capacitive load
2-M resistive load
4-M resistive load
CC
power-supply to the V
CC
CC
pin,