DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 754
DF2238RTF6
Manufacturer Part Number
DF2238RTF6
Description
MCU 2.2/3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
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
HD64F2238RTF6
Available stocks
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Quantity
Price
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Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 17 A/D Converter
17.3
The A/D converter has the following registers. For details on the module stop control register,
refer to section 24.1.2, Module Stop Control Registers A to C (MSTPCRA to MSTPCRC).
• A/D data register A (ADDRA)
• A/D data register B (ADDRB)
• A/D data register C (ADDRC)
• A/D data register D (ADDRD)
• A/D control/status register (ADCSR)
• A/D control register (ADCR)
17.3.1
There are four 16-bit read-only ADDR registers; ADDRA to ADDRD, used to store the results of
A/D conversion. The ADDR registers, which store a conversion result for each channel, are shown
in table 17.2.
The converted 10-bit data is stored in bits 6 to 15. The lower 6 bits are always read as 0.
The data bus between the CPU and the A/D converter is 8 bits wide. The upper byte can be read
directly from the CPU, however the lower byte should be read via a temporary register. Therefore,
when reading the ADDR, read only the upper byte, or read in word unit.
Table 17.2 Analog Input Channels and Corresponding ADDR Registers
Rev. 6.00 Mar. 18, 2010 Page 692 of 982
REJ09B0054-0600
Group 0 (CH2 = 0)
AN0
AN1
AN2
AN3
A/D Data Registers A to D (ADDRA to ADDRD)
Register Descriptions
Analog Input Channel
Group 1 (CH2 = 1)
AN4
AN5
AN6
AN7
A/D Data Register to be Stored the Results of
A/D Conversion
ADDRA
ADDRB
ADDRC
ADDRD
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