Panasonic MN101C00 - Manual (Page 107)

Chapter 5 Serial Functions
93
Overview
Figure 5-1-1 Serial 0 Block Diagram
fs/2 fs/4
fs/16
BC3
× 1/2
SBI0/RXD/P01
SBO0/TXD1/P00
SC0RXB
SC0TRB
SBT0/P02
SC0IRQ
Shift register
SWAP
Start condition
transmission
Receive buffer
SC0PEK SC0FEF
–
SC0BSY SC0CMD
–
SC0ORE
0 7
0 7
–
SC0SBTS
0 7
0 7
SC0SBIS SC0SBOS SC0SBTM SC0SBOM
SC0IOM
– –
SC0TRI
SC0BRKF
SC0CK0 SC0CKM
– –
SC0CK1 SC0ERE
SC0LNG0 SC0MD0
SC0MD1
SC0MD3
SC0NPE SC0PM0 SC0PM1 SC0FM0 SC0FM1 SC0BRKE
– –
SC0MD2
SC0CTR
SC0LNG1 SC0LNG2
SC0STE SC0DIR SC0CE0 SC0CE1
–
M U X
M U X
M U X
Bit counter
3
2
Start condition
detection
Break
receive control
Stop bit detection
Receive control
parity check
Append transmit
control parity
8
8 8
8 8
0 7
SBO0/P00
ORE detection
control
1/2 of timer 3
overflow
M U X