1-2 block diagram – Panasonic MN101C77C User Manual
Page 429

XIII - 3
Overview
Chapter 13 Serial Interface 4
13-1-2
Block Diagram
Serial interface 4 Block Diagram
Figure 13-1-1 Serial interface 4 Block Diagram
P01/SDA
P53/SDA
M
U
X
Transmission/reception
Shift register
Read/Write
-
ACKVALID
I2CBSY
SLVBSY
RSTRT
STRT
I2CINT
WRS
SC4STR
0
7
10
/
{
ck
Read
Communication mode
selection circuit
Addressing circuit
Address compare circuit
P02/SCL
P54/SCL
M
U
X
Start/stop
detection circuit
Bus busy
detection circuit
I2CAD8
I2CAD9
I2CGEM
I2CADM
I2CPSEL
-
-
SELI2C
SC4AD1
0
7
{
I2CAD0
I2CAD1
I2CAD3
I2CAD2
I2CAD4
I2CAD5
I2CAD6
I2CAD7
SC4AD0
0
7
IRQ
control circuit
{
Match
{
SC4IRQ
Transmission buffer
SC4TXB
Reception Buffer
SC4RXB
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