
v
8.8.4 
Port A................................................................................................................................. 161
8.9.1 
Overview............................................................................................................... 161
8.9.2 
Register Configuration and Description............................................................... 161
8.9.3 
Pin Functions........................................................................................................ 163
8.9.4 
Pin States .............................................................................................................. 164
8.10 Port B ................................................................................................................................. 165
8.10.1 Overview............................................................................................................... 165
8.10.2 Register Configuration and Description............................................................... 165
8.10.3 Pin Functions........................................................................................................ 167
8.11 Input/Output Data Inversion Function............................................................................... 168
8.11.1 Overview............................................................................................................... 168
8.11.2 Register Configuration and Descriptions.............................................................. 168
8.11.3 Note on Modification of Serial Port Control Register.......................................... 169
8.12
Application Note................................................................................................................ 170
8.12.1 How to Handle an Unused Pin.............................................................................. 170
Pin States .............................................................................................................. 160
8.9 
Section 9   Timers
 ................................................................................................................... 171
9.1 
Overview............................................................................................................................ 171
9.2 
Timer A.............................................................................................................................. 172
9.2.1 
Overview............................................................................................................... 172
9.2.2 
Register Descriptions............................................................................................ 174
9.2.3 
Timer Operation.................................................................................................... 177
9.2.4 
Timer A Operation States..................................................................................... 177
9.2.5 
Application Note................................................................................................... 178
9.3 
Timer F............................................................................................................................... 178
9.3.1 
Overview............................................................................................................... 178
9.3.2 
Register Descriptions............................................................................................ 181
9.3.3 
CPU Interface........................................................................................................ 189
9.3.4 
Operation .............................................................................................................. 192
9.3.5 
Application Notes................................................................................................. 195
9.4 
Asynchronous Event Counter (AEC)................................................................................. 198
9.4.1 
Overview............................................................................................................... 198
9.4.2 
Register Configurations........................................................................................ 201
9.4.3 
Operation .............................................................................................................. 210
9.4.4 
Asynchronous Event Counter Operation Modes.................................................. 214
9.4.5 
Application Notes................................................................................................. 215
Section 10   Serial Communication Interface
................................................................. 217
10.1 Overview............................................................................................................................ 217
10.1.1 Features................................................................................................................. 217
10.1.2 Block diagram....................................................................................................... 219
10.1.3 Pin configuration .................................................................................................. 220