MC68HC05SU3A Datasheet, PDF (24/80 Pages) Freescale Semiconductor, Inc – Fully static chip design featuring the industry standard 8-bit M68HC05 core

Freescale Semiconductor, Inc.
2
VSS(INT) 1
42 NC
VSS(EXT) 2
41 PA7
RESET 3
40 PA6
IRQ 4
39 PA5
VDD 5
38 PA4
OSC1 6
37 PA3
OSC2 7
36 PA2
VPP 8
35 PA1
TIMER 9
34 PA0
PC0 10
33 PB7
PC1 11
32 PB6
PC2 12
31 PB5
PC3 13
30 PB4
PC4 14
29 PB3
PC5 15
28 PB2
PC6 16
27 PB1
PC7 17
26 PB0
PD7 18
25 PD0
PD6/IRQ2 19
24 PD1
PD5 20
23 PD2
PD4 21
22 PD3
Figure 2-5 Pin Assignment for 42-pin SDIP
PA3 1
PA4 2
PA5 3
PA6 4
PA7 5
VSS(INT) 6
VSS(EXT) 7
RESET 8
IRQ 9
VDD 10
OSC1 11
33 _VDD
32 _VSS
31 _PB0
30 _PD0
29 _PD1
28 _PD2
27 _PD3
26 _PD4
25 _PD5
24 _PD6/IRQ2
23 _PD7
Figure 2-6 Pin Assignment for 44-pin QFP
TPG
PIN DESCRIPTIONS
MC68HC05SU3A
2-6
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