HT82K94E_07 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT82K94E_07 Datasheet PDF : 43 Pages
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HT82K94E/HT82K94A
Pin Assignment
PC5 1
PC4 2
PA3 3
PA2 4
PA1 5
PA0 6
PC0 7
PC1 8
PC2 9
P C 3 10
P E 0 11
P E 1 12
P E 2 13
P E 3 14
P D 4 /T M R 0 1 5
P D 5 16
P D 6 17
P D 7 18
V D D 19
V 33O 20
U S B D + /C L K 2 1
U S B D -/D A T A 2 2
P B 0 23
P B 1 24
48 P C 6
47 P C 7
46 P A 4
45 P A 5
44 P A 6
4 3 P A 7 /T M R 1
42 P E 7
41 P E 6
40 P E 5
39 P E 4
38 P D 3
37 P D 2
36 P D 1
35 P D 0
34 O S C 1
33 O S C 2
32 R E S
31 V S S
30 P B 7
29 P B 6
28 P B 5
27 P B 4
26 P B 3
25 P B 2
H T 8 2 K 9 4 E /H T 8 2 K 9 4 A
4 8 S S O P -A
Pin Description
Pin Name I/O
ROM Code
Option
Description
PA0~PA6
PA7/TMR1
Bidirectional 8-bit input/output port. Each bit can be configured as a
wake-up input by ROM code option. The input or output mode is con-
Pull-high
trolled by PAC (PA control register).
I/O
Wake-up
Pull-high resistor options: PA0~PA7
CMOS/NMOS/PMOS CMOS/NMOS/PMOS options: PA0~PA7
Wake-up options: PA0~PA7
PA7 is pin-shared with TMR1 input, respectively.
PB0~PB7
I/O
Pull-high
Wake-up
Bidirectional 8-bit input/output port. Software instructions determine the
CMOS output or Schmitt trigger input with pull-high resistor (determined
by pull-high options).
Wake-up options: PB0~PB7
PC0~PC7
I/O
Pull-high
Wake-up
Bidirectional I/O lines. Software instructions determine the CMOS out-
put or Schmitt trigger input with pull-high resistor (determined by
pull-high options).
Wake-up options: PC0~PC7
PD0~PD3
PD4/TMR0 I/O
PD5~PD7
Pull-high
Wake-up
Bidirectional I/O lines. Software instructions determine the CMOS out-
put or Schmitt trigger input with pull-high resistor (determined by
pull-high options).
Wake-up options: PD0~PD7
PD4 is pin-shared with TMR0 input.
PE0~PE7
I/O
Pull-high
Wake-up
Bidirectional I/O lines. Software instructions determine the CMOS out-
put or Schmitt trigger input with pull-high resistor (determined by
pull-high options).
Wake-up options: PE0~PE7
Rev. 1.50
3
October 11, 2007
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