MC68HC05SR3 Datasheet, PDF (26/96 Pages) Freescale Semiconductor, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Units

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/AN0
PD6/IRQ2 19
24 PD1/AN1
PD5/VRH 20
23 PD2/AN2
PD4/VRL 21
22 PD3/AN3
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/AN0
29 _PD1/AN1
28 _PD2/AN2
27 _PD3/AN3
26 _PD4/VRL
25 _PD5/VRH
24 _PD6/IRQ2
23 _PD7
Figure 2-6 Pin Assignment for 44-pin QFP
Freescale
2-6
PIN DESCRIPTIONS
TPG
MC68HC05SR3