CHAPTER 14 PORT FUNCTIONS
User’s Manual U14359EJ4V0UM
454
Figure 14-2. Block Diagram of Type B
WR
PMC
WR
PM
WR
PORT
RD
IN
PMCmn
PMmn
Pmn
Selector
Selector
Pmn
Address
Noise elimination
Edge detection
Input signal in
control mode
Internal bus
Remark
m:
Port
number
n:
Bit number
Figure 14-3. Block Diagram of Type C
RD
IN
P7n
ANIn
Sample & hold
circuit
Input signal in
control mode
Internal bus
Remark
n = 0 to 7