Service Manuals, User Guides, Schematic Diagrams or docs for : Intel 8048 9800270D_MCS-48_Family_Users_Manual_Jul78
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MCS-48 Pin Configurations
T1
'
TO Vee
XTAL 1 T1
XTAL 2 P27
P22 Vee
RESET P26
P23 P21
SS P25
PROG P20
INT P24
POO P17
EA P17
POl P16
AD P16 P02 P15
PSEN P15 P03 P14
WR P14 P04 P13
ALE P13 P05 P12
DBo P12 P06 Pll
DBl P11 P07 Pl0
ALE RESET
DB2 P10
Tl XTAL 2
DB3 Voo
Vss XTAL'l
DB4 PROG
DB5 P23
DB6 P22
DB7 P21
Vss P20
PROG AND CE Vee PC 3 Vee
CE PB 7 PC 4 PC 2
CLK PB 6 TIMER IN PC l
RESET PB5 RESET PC o
PB 4 PCs PB 7 P50 Vee
Voo
PB 3 PB 6 P40 P51
READY TIMER OUT
PB 2 P41 P52
101M 101M PBs
PB l P42 P53
lOR PB 4
PB o P43 P60
RD RD PB 3
PA 7 WR PB 2
CS P61
lOW
PROG P62
ALE PA 6 ALE PB l
P23 P63
ADo PAs ADo PB o
P22 P73
ADl PA 4 ADl PA 7
P2l P72
AD2 PA 3 AD2 PA 6
P20 P71
AD3 PA 2 AD3 PAs
GND P70
AD4 PAl AD4 PA 4
ADs PAo ADs PA 3
AD6 A 10 AD6 PA 2
AD7 Ag AD7 PAl
Vss As Vss PAo
*8155 = CE
8156 = CE
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