ht827a0 Holtek Semiconductor Inc., ht827a0 Datasheet - Page 4

• Manufacturer Part Number: ht827a0
• Description: 8-bit Microcontroller With Voice Rom
• Manufacturer: Holtek Semiconductor Inc.

Pad Coordinates
Pad Description
Pad No. Pad Name I/O
1, 44~42,
37~34
5~2,
41~38
21~28
Pad No.
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
PA0~PA7
PB0~PB7
PC0~PC7
-1543.05
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1486.75
-1547.75
-1389.55
-1239.35
-1072.15
-913.45
-744.65
-585.95
-417.15
-258.45
-89.65
X
I/O
I/O
I/O
-2211.75
-2211.75
-2211.75
-2211.75
-2211.75
-2211.75
-2211.75
-2211.75
-2211.75
-2211.75
2242.95
1675.25
1491.25
1308.95
1126.15
-219.25
925.35
727.25
538.35
347.85
157.35
-28.35
Pull-high
Pull-high
Pull-high
Wake-up
Y
Option
or None
or None
or None
Mask
Pad No.
Bidirectional 8-bit input/output ports
Each bit can be configured as a wake-up input by mask
option. Software instructions determine the CMOS out-
put or schmitt trigger input with or without a pull-high re-
sistor (mask option).
Bidirectional 8-bit input/output ports
Software instructions determine the CMOS output or
schmitt trigger input with or without a pull-high resistor
(mask option).
Bidirectional 8-bit input/output ports
Software instructions determine the CMOS output or
schmitt trigger input with or without a pull-high resistor
(mask option).
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
4
-1267.85
1184.35
1476.95
1507.85
1499.05
1539.95
1585.75
1574.15
1502.55
1227.35
-159.85
-437.45
-716.65
-991.85
237.85
598.35
890.95
951.35
676.15
396.95
119.35
69.05
X
Description
-2211.75
-2211.75
-2291.45
-2291.45
-2291.45
-2291.45
-2091.35
-1925.15
-1757.35
-1465.55
-667.75
2242.95
2242.95
2242.95
2242.95
2242.95
2242.95
2242.95
2242.95
2242.95
2242.95
2242.95
Unit: mm
Y
March 15, 2000
HT827A0