DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 554

• 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: -

Section 17 I
17.4
17.4.1
Figure 17.3 shows the I
following a start condition always consists of 8 bits.
Rev.2.00 May. 28, 2009 Page 514 of 732
REJ09B0059-0200
(a) I
(b) I
S
1
S
1
2
2
C bus format
C bus format (start condition retransmission)
SDA
SCL
I
Operation
SLA
SLA
2
C Bus Format
7
2
7
C Bus Interface 3 (IIC3)
S
1
1
R/
R/
1
1
SLA
1-7
2
C bus formats. Figure 17.4 shows the I
A
A
1
1
R/
8
DATA
DATA
n1
n
Figure 17.3 I
Figure 17.4 I
9
A
m1
A
1
A/
m
1
1-7
DATA
2
S
1
C Bus Formats
2
C Bus Timing
Upper row: Transfer bit count (n1, n2 = 1 to 8)
Lower row: Transfer frame count (m1, m2 ≥ 1)
8
SLA
A/
1
7
9
A
P
1
1
2
R/
C bus timing. The first frame
1
1-7
Transfer frame count
(m ≥ 1)
Transfer bit count
(n = 1 to 8)
DATA
A
1
8
DATA
n2
9
A
m2
P
A/
1
1
P