DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 549

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: Lead free / RoHS Compliant
• Eeprom Size: -

TEND
ERS
Retransmission when SCI is in Transmit Mode (See Figure 14.12)
6. After transmitting one frame, if the receiving device returns an error signal, the SCI sets the
7. The TEND bit in SSR is not set for the frame in which the error signal was received,
8. If no error signal is returned from the receiving device, the ERS flag is not set in SSR.
9. If no error signal is returned from the receiving device, transmission of the frame, including
Ds D0 D1 D2 D3 D4 D5 D6 D7 Dp
TDRE
Transfer from TDR to TSR
ERS flag to 1 in SSR. If the RIE bit in SCR is set to the enable state, an ERI interrupt is
requested. The ERS flag should be cleared to 0 in SSR before the next parity bit sampling
timing.
indicating an error.
retransmission, is assumed to be complete, and the TEND bit is set to 1 in SSR. If the TIE
bit in SCR is set to the enable state, a TXI interrupt is requested. If TXI is enabled as a
DMA transfer activation source, the next data can be written in TDR automatically. When
the DMAC writes data in TDR, it automatically clears the TDRE bit to 0.
Frame n
Figure 14.12 Retransmission in SCI Transmit Mode
DE
(6)
(7)
Ds D0 D1 D2 D3 D4 D5 D6 D7 Dp
Transfer from TDR to TSR
Retransmitted frame
Rev. 3.00 Mar 21, 2006 page 519 of 814
Section 14 Smart Card Interface
(DE)
(8)
(9)
Ds
Transfer from
TDR to TSR
REJ09B0302-0300
D0 D1 D2 D3 D4
Frame n + 1