DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 562

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 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: HD64F2345TE20; HD64F2345TE20

Section 15 D/A Converter
15.4
Setting range for pins other than analog power pin
(1) Relationship between AV
(2) Vref setting range
Note: Failure to observe (1) and (2) above could have an adverse effect on the reliability of the
Rev. 4.00 Feb 15, 2006 page 536 of 900
REJ09B0291-0400
The relationship between AV
AV
The setting range for the reference voltage from the Vref pin is Vref
Address
DADR0
DAOE0
DA0
Legend:
t
DCONV
CC
LSI.
and AV
Usage Notes
: D/A conversion time
High-impedance state
write cycle
SS
DADR0
pins should never be left open, even if the D/A converter is not used.
Figure 15.2 Example of D/A Converter Operation
CC
, V
write cycle
CC
DACR
CC
, V
, AV
Conversion data 1
CC
, AV
SS
, and Vss
t
DCONV
SS
, and V
SS
Conversion
is AV
result 1
write cycle
DADR0
CC
= V
CC
t
DCONV
and AV
Conversion data 2
AV
SS
Conversion
CC
= V
result 2
.
write cycle
DACR
SS
. Also, the