DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 437

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2345TE20; HD64F2345TE20

12.1
The H8S/2345 Group is equipped with a 2-channel serial communication interface (SCI). Both
channels have the same functions. The SCI can handle both asynchronous and clocked
synchronous serial communication. A function is also provided for serial communication between
processors (multiprocessor communication function).
12.1.1
SCI features are listed below.
Choice of asynchronous or clocked synchronous serial communication mode
Asynchronous mode
Clocked Synchronous mode
Serial data communication executed using asynchronous system in which synchronization
is achieved character by character
Serial data communication can be carried out with standard asynchronous communication
chips such as a Universal Asynchronous Receiver/Transmitter (UART) or Asynchronous
Communication Interface Adapter (ACIA)
A multiprocessor communication function is provided that enables serial data
communication with a number of processors
Choice of 12 serial data transfer formats
Data length
Stop bit length
Parity
Multiprocessor bit
Receive error detection : Parity, overrun, and framing errors
Break detection
Serial data communication synchronized with a clock
Serial data communication can be carried out with other chips that have a synchronous
communication function
One serial data transfer format
Data length
Receive error detection : Overrun errors detected
Section 12 Serial Communication Interface (SCI)
Overview
Features
: 7 or 8 bits
: 1 or 2 bits
: Even, odd, or none
: 1 or 0
: Break can be detected by reading the RxD pin level directly in
: 8 bits
case of a framing error
Section 12 Serial Communication Interface (SCI)
Rev. 4.00 Feb 15, 2006 page 411 of 900
REJ09B0291-0400