HT82K629A 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT82K629A Datasheet PDF : 23 Pages
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HT82K629A
Pin Assignment
Pin Description
Pin No.
Pin Name
1, 2, 11~14
19~26, 31~34 C0~C19
39, 40
3~6, 35~38 R0~R7
7
Fn_Sel
8
NUM
9
CAPS
10
SCROLL
15
VDD
16
V33O
17
USBD+/CLK
18
USBD-/DATA
27
VSS
28
RESET
29
OSCO
30
OSCI
C 17 1
40
C 16 2
39
R3 3
38
R2 4
37
R1 5
36
R0 6
35
Fn_S el 7
34
NUM 8
33
CAPS 9
32
S C R O LL 10
31
C 12 11
30
C 13 12
29
C 14 13
28
C 15 14
27
V D D 15
26
V 33O 16
25
U S B D + /C L K 1 7
24
U S B D -/D A T A 1 8
23
C 0 19
22
C 1 20
21
H T82K 629A
4 0 D IP -A
C 18
C 19
R4
R5
R6
R7
C 11
C 10
C9
C8
O SCI
O SCO
RESET
VSS
C7
C6
C5
C4
C3
C2
I/O
Description
O Keyboard matrix scanning output pins
I Keyboard matrix scanning input pins
I Mini-keyboard select, the function is enabled if connected to VSS.
O Num lock indicator
O Caps lock indicator
O Scroll lock indicator
¾ Positive power supply
¾ 3.3V regulator output
I/O
USBD- or PS2 CLK I/O line
USB or PS2 function is controlled by software control register.
I/O
USBD- or PS2 DATA I/O line
USB or PS2 function is controlled by software control register.
¾ Negative power supply, ground
I Schmitt trigger input. Active low.
O OSCO, OSCI are connected to a 6MHz or 12MHz crystal/resonator for
I the internal system clock.
Absolute Maximum Ratings
Supply Voltage ..........................VSS-0.3V to VSS+6.0V
Input Voltage .............................VSS-0.3V to VDD+0.3V
Storage Temperature ...........................-50°C to 125°C
Operating Temperature ..............................0°C to 70°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
Rev. 1.30
2
April 16, 2004
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