DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 547

• 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: -

17.3.5
ICSR confirms interrupt request flags and status.
Bit Bit Name
7
6
5
4
TDRE
TEND
RDRF
NACKF
I
2
C Bus Status Register (ICSR)
Initial Value R/W
0
0
0
0
R/W
R/W
R/W
R/W
Description
Transmit Data Empty
[Setting condition]
•
[Clearing conditions]
•
•
Transmit end
[Setting condition]
•
[Clearing conditions]
•
•
Receive Data Full
[Setting condition]
•
[Clearing conditions]
•
•
No Acknowledge Detection Flag
[Setting condition]
•
[Clearing condition]
•
When data is transferred from ICDRT to ICDRS and
ICDRT becomes empty
When 0 is written to TDRE after reading TDRE = 1
When data is written to ICDRT
When the ninth clock of SCL rises while the TDRE flag
is 1
When 0 is written to TEND after reading TEND = 1
When data is written to ICDRT
When receive data is transferred from ICDRS to ICDRR
When 0 is written to RDRF after reading RDRF = 1
When data is read from ICDRR
When no acknowledge is detected from the receive
device in transmission while the ACKE bit in ICIER is 1
When 0 is written to NACKF after reading NACKF = 1
Rev.2.00 May. 28, 2009 Page 507 of 732
Section 17 I
2
C Bus Interface 3 (IIC3)
REJ09B0059-0200