Figure 10-2 Timer 0, Timer - Toshiba TX79 Series User Manual

Timer 0
Timer 1
Timer 2
Timer Read
Register
CLEAR
24-bit Counter
Compare Compare
Register Register
A B
Comparators (≡)
Figure 10-2 Timer 0, Timer 1, and Timer 2 Connections
TX7901 User's Manual (Rev. 6.30T – Nov, 2001)
Chapter 10: Programmable Timer/Contents
Register
r/w Control Logic
Clock
Clock
Divider
Frequency
×1/2 to
Select
×1/256
Timer Control Register
Interrupt Control Register
Interval Mode Register
Pulse Gen. Mode Register
Watchdog Mode Register
b16
10-3
G-Bus
Clock
Source
Select
Periodic
tmrgInt2B
Interval
Timer
Output
tmrpg2B
Pulse
Generator
Output
demux
Watchdog
Timer
Output
Control
Logic
TX7901
TIMIN1
External
Clock
TIMIN2
Inputs
TX7901
Internal
Clock
Interrupt #6
Interrupt #7
Interrupt #8
TIMOUT1*
Pulse
Generator
TIMOUT2*
Outputs
Internal
Reset
NMI