HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 461

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Transmit/Receive Reset: The SIOF can separately reset the transmit and receive units by setting
the following bits to 1.
• Transmit reset: TXRST bit in SICTR
• Receive reset: RXRST bit in SICTR
Table 15.11 shows the details of initialization upon transmit or receive reset.
Table 15.11 Transmit and Receive Reset
Module Stop Mode: The SIOF stops the transmit/receive operation in module stop mode. Then
the following contents are initialized.
• SITDR
• SITCR
• Read pointer of receive FIFO
• Write pointer of transmit FIFO
• SISTR
• SICTR
Type
Transmit reset
Receive reset
Objects Initialized
SITDR
Transmit FIFO write pointer
TCRDY, TFEMP, and TDREQ bits in SISTR
TXE bit in SICTR
SIRDR
Receive FIFO read pointer
RCRDY, RFFUL, and RDREQ bits in SISTR
RXE bit in SICTR
Rev. 1.00, 02/04, page 423 of 804