ia186em Innovasic Semiconductor Inc., ia186em Datasheet - Page 56

• Manufacturer Part Number: ia186em
• Description: 8-bit/16-bit Microcontrollers
• Manufacturer: Innovasic Semiconductor Inc.

IA186EM/IA188EM
8-Bit/16-Bit Microcontrollers
Table 15. Default Status of PIO Pins at Reset
a
b
and s2_n–s0_n.
c
operation.
d
If bhe_n/aden_n (IA186EM) or rfsh_n/aden_n (IA188EM) is held low during POR, these pins will revert to normal
Input with pullup option available when used as PIO.
Emulators use these pins and also a15–a0, ad15–ad0 (IA186EM), ale, bhe_n (IA186EM), clkouta, nmi, res_n,
Input with pulldown option available when used as PIO.
PIO No.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
b
b
b
b,c
b,c
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
®
Input with pull-up
Input with pull-down
Input with pull-up
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
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
Reset Status
Power-On
UNCONTROLLED WHEN PRINTED OR COPIED
a
a
a
a
a
a
a
Page 56 of 145
IA211050831-16
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
Normal operation
Normal operation
Normal operation
Normal operation
Input with pull-up
Input with pull-up
Normal operation
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
Normal operation
Input with pull-up
Input with pull-up
Input with pull-down
Input with pull-down
Input with pull-up
Input with pull-up
December 24, 2008
http://www.Innovasic.com
Reset Status
Power-On
Customer Support:
Data Sheet
1-888-824-4184
b,c
a
a
a
a
a
d