MC68HC912B32MFU8 MOTOROLA [Motorola, Inc], MC68HC912B32MFU8 Datasheet - Page 9

• Manufacturer Part Number: MC68HC912B32MFU8
• Description: 16-Bit Microcontroller
• Manufacturer: MOTOROLA [Motorola, Inc]

3 Pinout and Signal Descriptions
3.1 MC68HC912B32 Pin Assignments
MC68HC912B32
MC68HC912B32TS/D
* In narrow mode, high and low data bytes are multiplexed in alternate bus cycles on port A.
SMODN / TAGHI/ BKGD
ADDR0 / DATA0 / PB0
ADDR1 / DATA1 / PB1
ADDR2 / DATA2 / PB2
The MC68HC912B32 is available in a 80-pin quad flat pack (QFP). Most pins perform two or more func-
tions, as described in the 3.3 Signal Descriptions. Figure 3 shows pin assignments. Shaded pins are
power and ground.
PORT P
PORT B
PAI / IOC7 / PT7
PW3 / PP3
PW2 / PP2
IOC0 / PT0
IOC1 / PT1
IOC2 / PT2
IOC3 / PT3
IOC4 / PT4
IOC5 / PT5
IOC6 / PT6
PW1/ PP1
PW0/ PP0
PP5
PP4
V
V
DD
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Figure 3 Pin Assignments for MC68HC912B32
PORT DLC
PORT E
MC68HC912B32
80-PIN QFP
PORT S
PORT E
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
V
V
PAD7 / AN7
PAD6 / AN6
PAD5 / AN5
PAD4 / AN4
PAD3 / AN3
PAD2 / AN2
PAD1 / AN1
PAD0 / AN0
V
V
V
V
PA7 / DATA15 / ADDR15
PA6 / DATA14 / ADDR14
PA5 / DATA13 / ADDR13
PA4 / DATA12 / ADDR12
PA3 / DATA11 / ADDR11
PA2 / DATA10 / ADDR10
SSA
DDA
RL
RH
SS
DD
PORT A*
MOTOROLA
HC12 80QFP
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