D12321VF20V Renesas Electronics America, D12321VF20V Datasheet - Page 670

• Manufacturer Part Number: D12321VF20V
• Description: IC H8S/2321 MCU ROMLESS 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12321VF20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 14 Serial Communication Interface (SCI)
Table 14.11 Receive Error Conditions
Receive Error
Overrun error
Framing error
Parity error
Figure 14.8 shows an example of the operation for reception in asynchronous mode.
Rev.6.00 Sep. 27, 2007 Page 638 of 1268
REJ09B0220-0600
RDRF
FER
1
Start
bit
0
D0
Abbreviation
ORER
FER
PER
Figure 14.8 Example of SCI Receive Operation
(Example with 8-Bit Data, Parity, One Stop Bit)
D1
1 frame
Data
D7
Condition
completed while the RDRF flag
in SSR is set to 1
from the parity (even or odd) set
in SMR
When the next data reception is
When the stop bit is 0
When the received data differs
RXI interrupt
request
generated
Parity
bit
0/1
Stop
bit
1
Start
bit
0
RDR data read and RDRF
flag cleared to 0 in RXI
interrupt handling routine
D0
D1
Data
Data Transfer
Receive data is not
transferred from RSR to
RDR
Receive data is transferred
from RSR to RDR
Receive data is transferred
from RSR to RDR
D7
Parity
bit
ERI interrupt request
generated by framing
error
0/1
Stop
bit
0
Idle state
(mark state)
1