DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 757
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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17.3.3
The ADCR enables A/D conversion started by an external trigger signal.
Bit
7
6
5, 4
3
2
1, 0
Bit Name
TRGS1
TRGS0
—
CKS1
CKS0
⎯
A/D Control Register (ADCR)
Initial Value
0
0
All 1
0
0
All 1
R/W
R/W
R/W
—
R/W
R/W
⎯
Description
Timer Trigger Select 1 and 0
Enables the start of A/D conversion by a trigger
signal. Only set bits TRGS0 and TRGS1 while
conversion is stopped (ADST = 0).
00: A/D conversion start by software is enabled
01: A/D conversion start by TPU conversion start
10: A/D conversion start by 8-bit timer conversion
11: A/D conversion start by external trigger pin
Reserved
These bits are always read as 1 and cannot be
modified.
Clock Select 1 and 0
These bits specify the A/D conversion time. The
conversion time should be changed only when
ADST = 0. Specify a setting that gives a value within
the range shown in table 27.10 (H8S/2258 Group),
table 27.23 (H8S/2239 Group), table 27.35
(H8S/2238B and H8S/ 2236B), table 27.47
(H8S/2238R and H8S/ 2236R), or table 27.57
(H8S/2237 Group and H8S/2227 Group).
00: Conversion time = 530 states (max)
01: Conversion time = 266 states (max)
10: Conversion time = 134 states (max)
11: Conversion time = 68 states (max)
Reserved
These bits are always read as 1 and cannot be
modified.
trigger is enabled
start trigger is enabled
(ADTRG) is enabled
Rev. 6.00 Mar. 18, 2010 Page 695 of 982
Section 17 A/D Converter
REJ09B0054-0600
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