MC68HC705C9A_1 Datasheet, PDF (26/157 Pages) Freescale Semiconductor, Inc – General Release Specification

Freescale Semiconductor, Inc.
General Release Specification _{Functional Pin Descriptions}
1.7 Functional Pin Descriptions
Figure 1-5, Figure 1-6, Figure 1-7, and Figure 1-8 show the pin
assignments for the available packages. A functional description of the
pins follows.
NOTE: A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
RESET 1
IRQ 2
V_PP 3
PA7 4
PA6 5
PA5 6
PA4 7
PA3 8
PA2 9
PA1 10
PA0 11
PB0 12
PB1 13
PB2 14
PB3 15
PB4 16
PB5 17
PB6 18
PB7 19
V_SS 20
40 _VDD
39 _OSC1
38 _OSC2
37 _TCAP
36 _PD7
35 _TCMP
34 _PD5/SS
33 _PD4/SCK
32 _PD3/MOSI
31 _PD2/MISO
30 _PD1/TDO
29 _PD0/RDI
28 _PC0
27 _PC1
26 _PC2
25 _PC3
24 _PC4
23 _PC5
22 _PC6
21 _PC7
Figure 1-5. 40-Pin PDIP Pin Assignments
MC68HC705C9A — Rev. 2.0
General Description
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