DF2117VT20V Renesas Electronics America, DF2117VT20V Datasheet - Page 524

• 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: -

16.4
The communication protocol of the NEC format is shown in figure 16.2. In the NEC format, data
consists of a header part, an address part, a command part, and a stop part. The TFM bits in CCR2
can select which data bytes to be stored in CIRRDR: four bytes of the address, address, command,
and command, or two bytes of the address and command. The carrier frequency is 38kHz.
(1)
When a 9-ms high level and the following 4.5-ms low level are detected, they are recognized as a
header. For addresses and commands, when both of a high-level period and the following low-
level period are 0.56 ms, they are recognized as logic 0. When a high-level period is 0.56 ms and
the following low-level period is 1.78 ms, they are recognized as logic 1.
Rev. 2.00 Sep. 28, 2009 Page 482 of 994
REJ09B0452-0200
CIRI
CIRI
Header, Address, and Command
[Legend]
A: High-level period for a header
B: Low-level period for a header
C: High-level period for logic 0/1 and low-level period for logic 0
D: Low-level period for logic 1
Operation
Header
Figure 16.3 Header, Address, and Command
A = 9.0 ms
Address
Figure 16.2 NEC Format
Header
Address
Command
B = 4.5 ms
Command
C = 0.56 ms
Logic 1
D = 1.78 ms
Stop
Logic 0
C
C