ZiLOG公司
Z80180/Z8S180/Z8L180
增强Z180微处理器
表2.引脚状态在复位过程中BUSACK和SLEEP
引脚数和封装类型
QFP
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
PLCC
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
DIP
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
默认
功能
/RTS0
/CTS0
/DCD0
TXA0
RXA0
CKA0
NC
TXA1
TEST
RXA1
CKA1
TXS
RXS
中正
/DREQ1
/TEND1
/暂停
NC
NC
/ RFSH
/ IORQ
/ MREQ
E
/M1
/ WR
/ RD
PHI
V
SS
V
SS
2
3
4
5
6
7
XTAL
NC
EXTAL
/等待
/ BUSACK
/ BUSREQ
/ RESET
次
功能
RESET
1
IN
IN
1
IN
3T
1
IN
3T
1
IN
3T
IN
1
1
引脚状态
BUSACK
OUT
OUT
IN
OUT
IN
OUT
OUT
IN
IN
OUT
IN
I / O
3T
OUT
1
1
睡觉
1
IN
IN
OUT
IN
OUT
OUT
IN
IN
OUT
IN
I / O
IN
1
0
/DREQ0
/TEND0
/CTS1
61
62
63
64
65
66
67
68
1
2
3
4
5
6
7
8
57
58
59
60
61
62
63
64
1
1
1
1
0
1
1
1
OUT
GND
GND
OUT
IN
IN
1
IN
IN
OUT
3T
3T
OUT
1
3T
3T
OUT
GND
GND
OUT
IN
IN
OUT
IN
IN
OUT
1
1
OUT
1
1
1
OUT
GND
GND
OUT
IN
IN
OUT
IN
IN
DS971800401
初步
1-9
