8-BIT TIMER A/B S3C8245/P8245/C8249/P8249
11-4
BLOCK DIAGRAM
Timer A Data Register
(Read/Write)
Timer A Buffer Reg
8-bit Comparator
8-bit Up-Counter
(Read Only)
Clear
Match
TACON.7-.6
f
XX
/1024
f
XX
/256
f
XX
/64
TACLK
TACON.2
Pending
TACON.3
M
U
X
Overflow TAOVF
M
U
X
M
U
X
TACAP
TAINT
TACON.1
TAOUT
TAPWM
TACON.0
Pending
TACON.5.4
TACON.5.4
Data Bus
8
Data Bus
8
NOTE:
Timer A input clock must be slower than CPU clock.
Pending Pending bit is located at INTPND register.
Figure 11-2. Timer A Functional Block Diagram