參數(shù)資料
型號(hào)： TK68HC24
廠商： Electronic Theatre Controls, Inc.
英文描述： Port Replacement Unit (PRU)
中文描述： 港口更換單元（普天壽）
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 98K
代理商： TK68HC24
Tekmos
–
Preliminary
TK68HC24 PRU
Port Replacement Unit (PRU)
For 6811 – type microprocessors
www.Tekmos.com
8/21/99
Features
Exact replacement for the Motorola MC68HC24 PRU
Utilizes the Tekmos 6824 Core
Replaces ports B and C of 6811 type microprocessors.
The chip-select function allows multiple TK68HC24s to be used in systems requiring multiple parallel ports.
3 – 5.5 Volt Operation.
0 – 5 MHz Operation.
Supports all handshake and I/O modes.
Available in 40 PDIP (P) and 44 PLCC (FN) versions.
Description
The TK68HC24 is an exact replacement of the Motorola 68HC24.
The TK68HC24 is designed to replace the Port B and Port C functions of 6811 – type microprocessors. These
functions are lost when the 6811 type microprocessors are operated in the expanded mode. The TK68HC24
has an address re-mapping feature that allows multiple TK68HC24s to be used within a single system.
Pinout
R
E
A
C
N
N
A
A
A
A
40
1
2
3
4
5
6
29
30
31
32
33
34
35
36
37
38
39
41
42
43
44
PC0
PC1
PC2
PC3
NC
PC4
PC5
PC6
PC7
VDD
P
P
P
P
P
P
P
P
S
STRA
N
RESETN
AD0
AD1
AD2
AD3
NC
AD4
AD5
AD6
AD7
VSS
7
8
9
10
11
12
13
14
15
16
17
18 19 20 21 22 23 24 25 26 27 28
TK68HC24FN
44 PLCC
I
STRB
PB7
PB6
PB5
PB4
R/WN
RESETN
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
VSS
IRQN
E
AS
MODE
CSN
40
39
29
28
27
26
25
24
23
22
21
30
31
32
33
34
35
36
37
38
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
VDD
PB3
PB2
PB1
PB0
STRA
7
8
9
10
11
12
13
14
15
16
17
18
19
20
T
4
6
5
4
3
2
1
A14
A13
A12
A15
NC
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