Freescale Semiconductor, Inc.
SECTION 2 PIN DESCRIPTIONS
The MC68HC11F1 MCU is available in a 68-pin plastic leaded chip carrier (PLCC) and
an 80-pin plastic quad flat pack (QFP). Most pins on this MCU serve two or more func-
tions, as described in the following paragraphs. Figure 2-1 shows the pin assignments
for the PLCC. Figure 2-2 shows the pin assignments for the QFP.
S
S
H
L
PC1/DATA1
PC2/DATA2
PC3/DATA3
PC4/DATA4
PC5/DATA5
PC6/DATA6
PC7/DATA7
RESET
60
59
58
57
56
55
54
53
52
PE4/AN4
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
PE0/AN0
PF0/ADDR0
PF1/ADDR1
PF2/ADDR2
PF3/ADDR3
PF4/ADDR4
PF5/ADDR5
PF6/ADDR6
XIRQ
MC68HC11F1
IRQ
51 PF7/ADDR7
PG7/CSPROG
PG6/CSGEN
PG5/CSIO1
PG4/CSIO2
PG3
50
49
48
47
46
45
44
PB0/ADDR8
PB1/ADDR9
PB2/ADDR10
PB3/ADDR11
PB4/ADDR12
PB5/ADDR13
PB6/ADDR14
PG2
PG1
Figure 2-1 Pin Assignments for MC68HC11F1 68-Pin PLCC
PIN DESCRIPTIONS
TECHNICAL DATA
2-1
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