Bus alamat Z80Kapasitas ¿2n

¿216=24×210

¿32kByt e

Peta alamat memoriAlamat awal: = 0000hAlamat akhir = alamat awal + (kapasitas – 1)

= 0h + (10000h-1)= 0h + FFFFh= FFFFh

2864 EPROMKapasitas = 8 kByteAlamat awal = 0000hAlamat akhir = alamat awal + (kapasitas – 1)

= 0000h + (213−1)= 0000h + 1 1111 1111 1111b= 1FFFh

62128 RAMKapasitas = 16 kByteAlamat akhir = FFFFhAlamat awal = alamat akhir – (kapasitas – 1)

= FFFFh - (21 4−1)= FFFFh - 11 1111 1111 1111b= FFFFh – 3FFFh= C000h

Peta alamat I/OAlamat awal: = 00hAlamat akhir = alamat awal + (kapasitas – 1)

= 00h + (100h-1)= 00h + FFh= FFh

PIO Z80 (kapasitas 4 register)Kapasitas = 4Alamat awal = 00hAlamat akhir = alamat akhir + (kapasitas – 1)

= FFh + (4−1)= 0000h + 3= 03h

PPI 8255 (kapasitas 4 register)Kapasitas = 4Alamat akhir = FFhAlamat awal = alamat akhir – (kapasitas – 1)

= FFh - (4−1)= FFh - 3= FCh

Peta alamat memori

0000h2864

1FFFh

C000h62128

FFFFh

Peta alamat I/O

00hPIO Z80

03h

FChPPI 8255

FFh