HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 625

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

14.3.5
The SCIF has independent 16-stage FIFO buffers for transmission and reception. The
configuration of these buffers is shown in figure 14.23.
612
16th stage
SCFTDR
1st stage
2nd stage
3rd stage
TxD
Use of Transmit/Receive FIFO Buffers
Transmit data writes
by CPU or DMAC
SCTSR
Figure 14.23 Transmit/Receive FIFO Configuration
SCFDR
P
P/G
counter
R3–R0
T3–T0
Data
16th stage
SCFRDR
1st stage
2nd stage
3rd stage
RxD
Receive data reads
by CPU or DMAC
SCRSR
P F
SCFER
SC1SSR
PER3–PER0
FER3–FER0
ED15–ED0
counter
Error