DF2117VLP20V Renesas Electronics America, DF2117VLP20V Datasheet - Page 542

• Manufacturer Part Number: DF2117VLP20V
• Description: IC H8S/2117 MCU FLASH 145TFLGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2117VLP20V

• 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: 145-TFLGA
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2166 - DEV EVAL KIT H8S/2166
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 16 Serial Communication Interface with FIFO (SCIF)
(4)
Figure 16.9 shows an example of the data transmission suspension flowchart.
Rev. 3.00 Sep. 28, 2009 Page 496 of 910
REJ09B0350-0300
Suspension of Data Transmission
Suspend data write to transmit FIFO
Set XMITFRST bit in FFCR to 1
Modem status change interrupt
Prepare for retransmission
Read DCTS flag in FMSR
Figure 16.9 Example of Data Transmission Suspension Flowchart
(Transmission flow)
DCTS = 1
Yes
(Other processing)
No
[ 1 ]
[ 2 ]
[ 3 ]
[ 4 ]
[1] Read the DCTS flag in FMSR in the modem
[2] Suspend data write to the transmit FIFO.
[3] Set the XMITFRST bit in FFCR to 1.
[4] Prepare for retransmission of data and go to
status change interrupt processing routine.
If the DCTS flag is set to 1, the transmission
suspension processing starts.
the transmission flow.