ia186xl Innovasic Semiconductor Inc., ia186xl Datasheet - Page 35

• Manufacturer Part Number: ia186xl
• Description: 16-bit Microcontroller
• Manufacturer: Innovasic Semiconductor Inc.

IA186XL/IA188XL
16-Bit Microcontrollers
Table 8. IA188XL Pin/Signal Descriptions (Continued)
tmr out 1
Signal
ucs_n
wr_n
v
v
x1
x2
cc
ss
wr_n/qs1
tmr out 1
Name
ucs_n
v
v
x1
x2
cc
ss
®
PLCC
9, 43
26,
23
34
60
63
59
58
Pin
UNCONTROLLED WHEN PRINTED OR COPIED
33, 34,
12, 13,
PQFP
72, 73
56
45
53
16
17
8
ENG211080711-01
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10, 11,
20, 50,
30, 31,
41, 70,
51, 61
LQFP
74
62
80
27
32
33
timer 1 output. Output. Depending on the
Timer Mode programmed for Timer 1, this
output can provide a single clock or a
continuous waveform.
upper chip select. Output. Active Low. This
pin provides a chip select signal that will be
asserted (low) whenever the address of a
memory bus cycle is within the address space
programmed for that output.
Power (V
IA186XL device. It must be connected to a
+5V DC power source.
Ground (V
ground (0V) for the IA186XL. It must be
connected to a V
write. Output. Active Low. When asserted
(low), wr_n indicates that data available on
the data bus are to be latched into the
accessed memory or I/O device.
x1 and x2 are inputs for the crystal
CC
SS
). This pin provides power for the
). This pin provides the digital
SS
Description
board plane.
Preliminary Data Sheet
September 30, 2008
http://www.Innovasic.com
Customer Support:
1-888-824-4184