D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 675

• Manufacturer Part Number: D12321VF25V
• Description: IC H8S/2300 MCU ROMLESS 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12321VF25V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 86
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Figure 14.11 shows an example of SCI operation for transmission using the multiprocessor
format.
Multiprocessor serial data reception: Figure 14.12 shows a sample flowchart for
multiprocessor serial reception.
The following procedure should be used for multiprocessor serial data reception.
request generated
TDRE
TEND
TXI interrupt
1
Start
bit
0
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
Data written to TDR
and TDRE flag cleared to
0 in TXI interrupt handling
routine
D0
Figure 14.11 Example of SCI Transmit Operation
D1
1 frame
Data
D7
Multi-
proces-
sor
bit
0/1
TXI interrupt
request generated
Stop
bit
1
Section 14 Serial Communication Interface (SCI)
Start
bit
0
Rev.6.00 Sep. 27, 2007 Page 643 of 1268
D0
D1
Data
D7
Multi-
proces-
sor bit
0/1
TEI interrupt
request generated
REJ09B0220-0600
Stop
bit
1
Idle state
(mark state)
1