DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 574

• Manufacturer Part Number: DF3048BVX25V
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 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: Lead free / RoHS Compliant
• Eeprom Size: -

Section 15 A/D Converter
15.2.2
ADCSR is an 8-bit readable/writable register that selects the mode and controls the A/D converter.
ADCSR is initialized to H'00 by a reset and in standby mode.
Bit 7—A/D End Flag (ADF): Indicates the end of A/D conversion.
Bit 7: ADF
0
1
Rev. 3.00 Sep 27, 2006 page 546 of 872
REJ09B0325-0300
Bit
Initial value
Read/Write
Note: * Only 0 can be written, to clear the flag.
A/D Control/Status Register (ADCSR)
A/D end flag
Indicates end of A/D conversion
R/(W)
ADF
Description
[Clearing condition]
Cleared by reading ADF while ADF = 1, then writing 0 in ADF
[Setting conditions]
Single mode: A/D conversion ends
Scan mode: A/D conversion ends in all selected channels
7
0
*
A/D interrupt enable
Enables and disables A/D end interrupts
ADIE
R/W
6
0
A/D start
Starts or stops A/D conversion
ADST
R/W
5
0
Scan mode
Selects single mode or scan mode
SCAN
R/W
4
0
Clock select
Selects the A/D conversion time
CKS
R/W
3
0
CH2
R/W
2
0
Channel select 2 to 0
These bits select analog
input channels
CH1
R/W
1
0
(Initial value)
CH0
R/W
0
0