DF2148BFA20 Renesas Electronics America, DF2148BFA20 Datasheet - Page 492
DF2148BFA20
Manufacturer Part Number
DF2148BFA20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BFA20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BFA20
HD64F2148BFA20
HD64F2148BFA20
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Section 16 I
16.3.7
DDCSWR controls the IIC_0 automatic format switching function and IIC internal latch
clearance.
Bit Bit Name Initial Value R/W
7
6
5
4
Rev. 3.00 Mar 21, 2006 page 436 of 788
REJ09B0300-0300
SWE
SW
IE
IF
DDC Switch Register (DDCSWR)
2
C Bus Interface (IIC) (Optional)
0
0
0
0
R/W
R/W
R/W
R/(W) *
1
Description
DDC Mode Switch Enable
0: Disables automatic switching of IIC channel 0 from
1: Enables automatic switching of IIC channel 0 from
DDC Mode Switch
0: Uses IIC channel 0 with the I
1: Uses IIC channel 0 in formatless mode
[Setting condition]
When 1 is written in SW after reading SW = 0
[Clearing conditions]
DDC Mode Switch Interrupt Enable Bit
0: Disables interrupts when automatic format switching is
1: Enables interrupts when automatic format switching is
DDC Mode Switch Interrupt Flag
Indicates an interrupt request to the CPU is generated
when automatic format switching is executed for IIC_0.
[Setting condition]
When a falling edge is detected on the SCL pin when
SWE = 1
[Clearing condition]
When 0 is written in IF after reading IF = 1
formatless mode to I
formatless mode to I
executed
executed
When 0 is written by software
When a falling edge is detected on the SCL pin when
SWE = 1
2
2
C bus format
C bus format
2
C bus format
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