根據三八譯碼器真值表可列出地址如下:
A19 A18 A17 A16 A15 A14 A13 ( A12............... .........A0)
0# 0 0 0 0 0 0 0 ( 0.............................0到1........................1)
1# 0 0 0 0 0 0 1
2# 0 0 0 0 0 1 0
3# 0 0 0 0 0 1 1
所以地址:
0#片地址:00000H-01FFFH
1#片地址:02000H-03FFFH
2#片地址:04000H-05FFFH
3#片地址:06000H-07FFFH
根據三八譯碼器真值表可列出地址如下:
A19 A18 A17 A16 A15 A14 A13 ( A12............... .........A0)
0# 0 0 0 0 0 0 0 ( 0.............................0到1........................1)
1# 0 0 0 0 0 0 1
2# 0 0 0 0 0 1 0
3# 0 0 0 0 0 1 1
所以地址:
0#片地址:00000H-01FFFH
1#片地址:02000H-03FFFH
2#片地址:04000H-05FFFH
3#片地址:06000H-07FFFH