HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 562

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

14.1.2
A block diagram of the SCIF is shown in figure 14.1, and a diagram of the IrDA block in figure
14.2.
RxD
TxD
SCK
Legend
SCRSR:
SCFRDR: Receive FIFO data register
SCTSR:
SCFTDR: Transmit FIFO data register
SCSMR:
SCSCR:
Block Diagrams
Parity check
(16-stage)
SCFRDR
SCRSR
Receive shift register
Transmit shift register
Serial mode register
Serial control register
Figure 14.1 Block Diagram of SCIF
(16-stage)
Parity generation
SCFTDR
SCTSR
Module data bus
SC1SSR: Serial status 1 register
SC2SSR: Serial status 2 register
SCBRR:
SCFCR:
SCFDR:
SCFER:
SCIMR:
SCIF
reception control
Transmission/
Bit rate register
FIFO control register
FIFO data count register
FIFO error register
IrDA mode register
SC1SSR
SC2SSR
SCSMR
SCFDR
SCFCR
SCSCR
SCFER
SCIMR
IrDA/SCI switchover (to IrDA block)
External clock
Clock
Baud rate
generator
SCBRR
BRI
TxI
RxI
ERI
P
P /4
P /64
P /16
Internal
data bus
549