Panasonic MN101C77C - Manual (Page 389)

XII - 3 Overview
Chapter 12 Serial Interface 3
12-1-2 Block Diagram
„ Serial Interface 3 Block Diagram
Figure 12-1-1 Serial Interface 3 Block Diagram
SBO3/SDA/P51
SBI3/P50
SBT3/SCL/P52
M U X
SC3IOM
SBO3/SDA/P51
SC3IOM SC3SBOS SC3SBIS SC3SBTS SC3MST
-
SC3MD1
- -
0 7
SC3IRQ
SWAP
SC3DIR
SC3CE1
SC3SBIS
Read/Write
3
SC3MD0 SC3LNG0 SC3LNG1 SC3LNG2 SC3STE SC3DIR
-
SC3CE1 SC3BSY
0 7
ACK control circuit
Clock control circuit
SC3TRB
Shift register
IRQ control circuit
BUSY
generation circuit
Transfer bit counter
Start condition generation circuit
SC3STE
SC3CMD
sc3psc
(Prescaler output)
SC3STE
SC3SBTS
SC3SBOS
Start condition
detection circuit
M U X
IIC clcok generation sircuit
POL POL
7
SC3CTR SC3ACKO SC3ACKS SC3CMD SC3REX
-
SC3STC IICBSY
0
- M U X
SC3CE1