DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 752

• 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 17 A/D Converter
Rev. 6.00 Mar. 18, 2010 Page 690 of 982
REJ09B0054-0600
AV
Vref
AV
ADTRG
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
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
CC
SS
A/D control register
10-bit D/A
Figure 17.1 Block Diagram of A/D Converter
Sample-and-
hold circuit
Off during A/D conversion
wait time, on during A/D
conversion.
Comparator
+
Module data bus
Control circuit
Conversion start
trigger from TPU or 8-bit timer
Internal data bus
φ
φ
φ
φ
ADI
interrupt
/2
/4
/8
/16