DF2117VT20V Renesas Electronics America, DF2117VT20V Datasheet - Page 529

• Manufacturer Part Number: DF2117VT20V
• Description: MCU 16BIT FLASH 3V 160K 144-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

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: -

In case of reading more bytes than the number that has been received, (number of received bytes +
1) of data are always read out from the FIFO.
Reception of more than 18 bytes by the FIFO structure for this CIR module leads to an overrun.
When an overrun occurs, only values up to the 18th byte to have been received are read out in
response to the reading of more than 18 bytes.
16.4.3
Initiate the transition to watch mode after making the below settings for the mode transition.
• Select the subclock (φsub) as the operating clock for the CIR module.
• Enable the CIR header-detected interrupt.
For a transition from watch mode to high-speed mode, the CIR module generates an interrupt on
detection of a received header, in accord with the settings before the transition.
The module is released from watch mode when the interrupt is generated, and makes the transition
to the high- or medium-speed mode.
16.4.4
If the operating clock is switched from the system clock to the subclock (φsub) while the CIR
module is operating, operation may not proceed correctly. To switch the operating clock, be sure
to stop the CIR module (by clearing the CIRE bit) beforehand.
Operation in Watch Mode
Switching between System Clock and Sub Clock
Rev. 2.00 Sep. 28, 2009 Page 487 of 994
REJ09B0452-0200