DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 569
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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17.6
In master mode,
• When the SCL is driven low by the slave device
• When the rising speed of the SCL is lower by the load of the SCL line (load capacitance or
This module has a possibility that the high level period may be short in the two states described
above. Therefore it monitors the SCL and communicates by bits with synchronization.
Figure 17.18 shows the timing of the bit synchronous circuit and table 17.4 shows the time when
SCL output changes from low to Hi-Z then the SCL is monitored.
Table 17.4 Time for Monitoring SCL
CKS3
0
1
pull-up resistance)
Bit Synchronous Circuit
Reference clock
for SCL monitor
timing
Internal SCL
CKS2
0
1
0
1
SCL
Figure 17.18 Timing of Bit Synchronous Circuit
7.5 tcyc
19.5 tcyc
17.5 tcyc
41.5 tcyc
Time for Monitoring SCL
VIH
Rev.2.00 May. 28, 2009 Page 529 of 732
Section 17 I
2
C Bus Interface 3 (IIC3)
REJ09B0059-0200
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