DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 660

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 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: HD64F2148ATE20; HD64F2148ATE20

Section 20 A/D Converter
20.1.2
Figure 20.1 shows a block diagram of the A/D converter.
Rev. 4.00 Sep 27, 2006 page 614 of 1130
REJ09B0327-0400
AN7/CIN8 to CIN15
AN6/CIN0 to CIN7
Block Diagram
AVCC
AVref
AVSS
AN0
AN1
AN2
AN3
AN4
AN5
ADTRG
Legend:
ADCR:
ADCSR: A/D control/status register
ADDRA: A/D data register A
ADDRB: A/D data register B
ADDRC: A/D data register C
ADDRD: A/D data register D
A/D control register
Figure 20.1 Block Diagram of A/D Converter
10-bit D/A
Sample-and-
hold circuit
Comparator
+
–
Module data bus
Control circuit
Conversion start
trigger from 8-bit
timer
Internal
data bus
ADI interrupt
signal
/8
/16