IA186EM_11 Datasheet, PDF (56/146 Pages) InnovASIC, Inc – 8-Bit/16-Bit Microcontrollers

IA186EM/IA188EM
8-Bit/16-Bit Microcontrollers
Data Sheet
February 25, 2011
Table 15. Default Status of PIO Pins at Reset
PIO No.
0
1
2
3
4
5
6
7^b
8^b
9^b
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26^b,c
27
28
29^b,c
30
31
Associated Pin
tmrin1
tmrout1
pcs6_n/a2
pcs5_n/a1
dt/r_n
den_n
srdy
a17
a18
a19
tmrout0
tmrin0
drq0
drq1
mcs0_n
mcs1_n
pcs0_n
pcs1_n
pcs2_n
pcs3_n
sclk
sdata
sden0
sden1
mcs2_n
mcs3_n/rfsh_n
uzi_n
txd
rxd
s6/clkdiv2
int4
int2
Power-On
Reset Status
Input with pull-up
Input with pull-down
Input with pull-up
Normal operation^a
Normal operation^a
Normal operation^a
Normal operation^a
Normal operation^a
Normal operation^a
Normal operation^a
Input with pull-down
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Associated Pin
a17
a18
a19
den_n/ds_n
drq0
drq1
dt/r_n
int2/
int4
mcs0_n
mcs1_n
mcs2_n
mcs3_n/rfsh_n
pcs0_n
pcs1_n
pcs2_n
pcs3_n
pcs5_n/a1
pcs6_n/a2
rxd
s6/clkdiv2
sclk
sdata
sden0
sden1
srdy
tmrin0
tmrin1
tmrout0
tmrout1
txd
uzi_n
PIO No.
7
8
9
5
12
13
4
31
30
14
15
24
25
16
17
18
19
3
2
28
29
20
21
22
23
6
11
0
10
1
27
26
Power-On
Reset Status
Normal operation^a
Normal operation^a
Normal operation^a
Normal operation^a
Input with pull-up
Input with pull-up
Normal operation^a
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up^b,c
Input with pull-up
Input with pull-up
Input with pull-up
Input with pull-up
Normal operation^d
Input with pull-up
Input with pull-up
Input with pull-down
Input with pull-down
Input with pull-up
Input with pull-up
a_{Input with pullup option available when used as PIO.}
b_{Emulators use these pins and also a15–a0, ad15–ad0 (IA186EM), ale, bhe_n (IA186EM), clkouta, nmi, res_n,}
and s2_n–s0_n.
c_{If bhe_n/aden_n (IA186EM) or rfsh_n/aden_n (IA188EM) is held low during POR, these pins will revert to normal}
operation.
d_{Input with pulldown option available when used as PIO.}
®
IA211050831-19
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