DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 564
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, 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 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 16 I
16.2.8
DDCSWR is an 8-bit readable/writable register that is used to initialize IIC and controls IIC
internal latch clearance.
DDCSWR is initialized to H'0F by a reset and in hardware standby mode.
Bit 7—DDC Mode Switch Enable (SWE): Selects the function for automatically switching IIC
channel 0 from formatless mode to the I
Bit 7
SWE
0
1
Bit 6—DDC Mode Switch (SW): Selects either formatless mode or the I
channel 0.
Bit 6
SW
0
1
Rev. 4.00 Sep 27, 2006 page 518 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
Notes: 1. Only 0 can be written, to clear the flag.
DDC Switch Register (DDCSWR)
2. Always read as 1.
Description
Automatic switching of IIC channel 0 from formatless mode to I
disabled
Automatic switching of IIC channel 0 from formatless mode to I
enabled
Description
IIC channel 0 is used with the I
[Clearing conditions]
1. When 0 is written by software
2. When a falling edge is detected on the SCL pin when SWE = 1
IIC channel 0 is used in formatless mode
[Setting condition]
When 1 is written in SW after reading SW = 0
2
C Bus Interface [Option]
SWE
R/W
7
0
R/W
SW
6
0
R/W
2
C bus format.
IE
5
0
2
C bus format
R/(W) *
IF
4
0
1
CLR3
W *
3
1
2
CLR2
W *
2
1
2
2
C bus format for IIC
2
2
C bus format is
C bus format is
CLR1
W *
1
1
2
(Initial value)
(Initial value)
CLR0
W *
0
1
2
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