DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 581
DF2437FV
Manufacturer Part Number
DF2437FV
Description
IC H8S/2437 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of DF2437FV
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Table 18.4 A/D Conversion Time (Scan Mode)
18.4.4
A/D conversion can be started by an external trigger input. When the TRGS1 and TRGS0 bits in
ADCR are set to 11, an external trigger input is enabled at the ADTRG pin. A falling edge at the
ADTRG pin sets the ADST bit in ADCSR to 1, starting A/D conversion. Other operations, in both
single and scan modes, are the same as when the ADST bit has been set to 1 by software. Figure
18.3 shows the timing.
CKS1
0
1
φ
Internal trigger signal
ADST
External Trigger Input Timing
CKS0
0
1
0
1
Figure 18.3 External Trigger Input Timing
Conversion Time (State)
512 (Fixed)
256 (Fixed)
128 (Fixed)
64 (Fixed)
Rev.2.00 May. 28, 2009 Page 541 of 732
A/D conversion
REJ09B0059-0200
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