DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 562
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
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
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 562 of 1179
- Download datasheet (7Mb)
Section 16 I
Bit 0—Acknowledge Bit (ACKB): Stores acknowledge data. In transmit mode, after the
receiving device receives data, it returns acknowledge data, and this data is loaded into ACKB. In
receive mode, after data has been received, the acknowledge data set in this bit is sent to the
transmitting device.
When this bit is read, in transmission (when TRS = 1), the value loaded from the bus line
(returned by the receiving device) is read. In reception (when TRS = 0), the value set by internal
software is read.
When this bit is written to, the acknowledge data transmitted at the receipt is rewritten regardless
of the TRS value. The data loaded fom the receiving device is retained, therefore take care of
using bit-manipulation instructions.
Bit 0
ACKB
0
1
16.2.7
STCR is an 8-bit readable/writable register that controls register access, the I
mode (when the on-chip IIC option is included), and on-chip flash memory (F-ZTAT versions),
and selects the TCNT input clock source. For details of functions not related to the I
interface, see section 3.2.4, Serial Timer Control Register (STCR), and the descriptions of the
relevant modules. If a module controlled by STCR is not used, do not write 1 to the corresponding
bit.
STCR is initialized to H'00 by a reset and in hardware standby mode.
Rev. 4.00 Sep 27, 2006 page 516 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
Serial/Timer Control Register (STCR)
Description
Receive mode: 0 is output at acknowledge output timing
Transmit mode: Indicates that the receiving device has acknowledged the data (signal
is 0)
Receive mode: 1 is output at acknowledge output timing
Transmit mode: Indicates that the receiving device has not acknowledged the data
(signal is 1)
2
C Bus Interface [Option]
IICS
R/W
7
0
IICX1
R/W
6
0
IICX0
R/W
5
0
IICE
R/W
4
0
FLSHE
R/W
3
0
R/W
—
2
0
2
C interface operating
ICKS1
R/W
1
0
2
C bus
(Initial value)
ICKS0
R/W
0
0
Related parts for DF2148RTE20IV
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: