Samsung S3F84B8 - Block Diagram of Timer a

S3F84B8_UM_REV 1.00 11 8-BIT TIMER A
11-6
11.1.3 BLOCK DIAGRAM OF TIMER A
NOTE: When PWM mode, match signal cannot clear counter .
Clear
Match
TACON.5
Overflow
TACAP
TACON.7.6
TACON.7.6
Data Bus
8
Data Bus
8
M
U
X
8-bit Up-Counter
(Read Only)
8-bit Comparator
Timer A Buffer Reg
Timer A Data Register
(Read/Write)
TAPS.7
fx
TACK
M
U
X
TAOUT
CTL
M
U
X
High level when data > counter
Low level when data < counter
In PWM mode
Overflow
TACON.4
Pending
TAOVF
TACON.0
TACON.3
Pending
TAINT
TACON.1
TAOVF
prescaler
TAPS.3-.0
Figure 11-4 Simplified Timer A Functional Block Diagram