DF2117VT20V Renesas Electronics America, DF2117VT20V Datasheet - Page 617
DF2117VT20V
Manufacturer Part Number
DF2117VT20V
Description
MCU 16BIT FLASH 3V 160K 144-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2117VT20HV.pdf
(1040 pages)
Specifications of DF2117VT20V
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
FIFO, I²C, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
112
Program Memory Size
160KB (160K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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In slave transmit mode, the slave device outputs the transmit data, while the master device outputs
the receive clock and returns an acknowledge signal. The transmission procedure and operations
in slave transmit mode are described below.
1. Initialize slave receive mode and wait for slave address reception.
2. When the slave address matches in the first frame following detection of the start condition,
3. After clearing the IRIC flag to 0, write data to ICDR. At this time, the ICDRE flag is cleared to
4. The master device drives SDA low at the 9th clock pulse, and returns an acknowledge signal.
5. To continue transmission, write the next data to be transmitted into ICDR. The ICDRE flag is
Transmit operations can be performed continuously by repeating steps [4] and [5].
the slave device drives SDA low at the 9th clock pulse and returns an acknowledge signal. If
the 8th data bit (R/W) is 1, the TRS bit in ICCR is set to 1, and the mode changes to slave
transmit mode automatically. The IRIC flag is set to 1 at the rise of the 9th clock. If the IEIC
bit in ICCR has been set to 1, an interrupt request is sent to the CPU. At the same time, the
ICDRE flag is set to 1. The slave device drives SCL low from the fall of the transmit 9th clock
until ICDR data is written, to disable the master device to output the next transfer clock.
0. The written data is transferred to ICDRS, and the ICDRE and IRIC flags are set to 1 again.
The slave device sequentially sends the data written into ICDRS in accordance with the clock
output by the master device.
The IRIC flag is cleared to 0 to detect the end of transmission. Processing from the ICDR
register writing to the IRIC flag clearing should be performed continuously. Prevent any other
interrupt processing from being inserted.
As this acknowledge signal is stored in the ACKB bit in ICSR, this bit can be used to
determine whether the transfer operation was performed successfully. When one frame of data
has been transmitted, the IRIC flag in ICCR is set to 1 at the rise of the 9th transmit clock
pulse. When the ICDRE flag is 0, the data written into ICDR is transferred to ICDRS,
transmission starts, and the ICDRE and IRIC flags are set to 1 again. If the ICDRE flag has
been set to 1, this slave device drives SCL low from the fall of the 9th transmit clock until data
is written to ICDR.
cleared to 0. The IRIC flag is cleared to 0 to detect the end of transmission. Processing from
the ICDR writing to the IRIC flag clearing should be performed continuously. Prevent any
other interrupt processing from being inserted.
Rev. 2.00 Sep. 28, 2009 Page 575 of 994
Section 18 I
2
C Bus Interface (IIC)
REJ09B0452-0200
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