DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 434
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
- Current page: 434 of 776
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Rev.2.00 May. 28, 2009 Page 394 of 732
REJ09B0059-0200
Bit
3
2
1
Bit Name
VFEDG
PREQF
IHI
Initial Value
0
0
⎯*
2
R/W
R/(W)*
R/(W)*
R
1
1
Description
VFBACKI Edge
Detects a rising edge on the VFBACKI pin in
channel 0.
This bit is reserved in channel 1. This bit is always
read as 0 and cannot be modified.
0: [Clearing condition]
When 0 is written to VFEDG after reading VFEDG =
1
1: [Setting condition]
When a rising edge is detected on the VFBACKI pin
Pre-Equalization Flag
Detects the occurrence of a 2fH modification
condition for the IHI signal. The generation of a
falling/rising edge in the IHI signal during a mask
interval is expressed as the occurrence of a 2fH
modification condition. For details, see section
13.4.4, 2fH Modification of IHI Signal.
0: [Clearing condition]
When 0 is written to PREQF after reading PREQF =
1
1: [Setting condition]
When a 2fH modification condition for the IHI signal
is detected
IHI Signal Level
Indicates the current level of the IHI signal. A signal
source and phase inversion are selected for the IHI
signal depends on the contents of TCONRI. Read
this bit to determine whether the input signal is
positive or negative, then hold the IHI signal at
positive phase by modifying TCONRI.
0: The IHI signal is low
1: The IHI signal is high
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