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Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
5-12
Figure 5-6. Timer/Counter Unit Configuration
A2517-03
CLKIN0
GATE0
OUT0
GATE1
Timer/Counter
Unit
CLKIN1
OUT1
GATE2
CLKIN2
OUT2
0
1
TMROUT0
(INT9)
(P3.0)
To/From I/O Port 3
P3CFG.0
TMRCLK0
(INT4)†
PSCLK
TMRCFG.7
TMRCFG.0
To ICU
To ICU
0
1
TMRCLK1
(INT6)
PSCLK
TMRCFG.2
To ICU
TMROUT1
(INT8)
(P3.1)
To/From I/O Port 3
P3CFG.1
To ICU, DMA
0
1
TMRCLK2
(PEREQ)
PSCLK
TMRCFG.4
To Core
0
1
TMRGATE2
(BUSY#)
V
CC
TMRCFG.6
TMRCFG.5
PINCFG.5
TMROUT2
(ERROR#)
To Core
To ICU, DMA
† Alternate pin signals are in parentheses.
0
1
To Core
TMRCFG.5
0
1
TMRGATE1
(INT7)
V
CC
TMRCFG.6
TMRCFG.3
1
To ICU
TMRCFG.3
0
0
1
TMRGATE0
(INT5)
V
CC
TMRCFG.6
TMRCFG.1
1
To ICU
TMRCFG.1
0
1
0
1
0
1
0
1
0
1
0