MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 38

• Manufacturer Part Number: MC68HC912B32VFU8
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC912B32VFU8

• Cpu Family: HC12
• Device Core Size: 16b
• Frequency (max): 8MHz
• Interface Type: SCI/SPI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 1KB
• # I/os (max): 63
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

4.7 K
R32
2
NOTE: This figure provides a suggested schematic only.
IN
E CLOCK
MC34064
A13
A14
A15
U1
DN
RESET
3
C2
RSET
GND
1
2
3
4
5
V
V
6
DD
FP
Y1
A
B
C
G1
G2A
G2B
74AHCT138
R1
1
1
2
3
4
5
6
U6
C1
GROUND
HEADER 6
1
2
3
4
5
6
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
JP1
15
14
13
12
11
10
9
7
Figure 1-9. RAM Expansion Schematic with FLASH in Narrow Mode
FLASH
RAM
V
V
V
V
V
R/W
E CLOCK
MODA
MODB
V
DD
DD
DDX0
DDX1
DD
FP
10
47
78
31
59
11
48
77
30
49
50
69
33
34
32
17
38
37
36
35
29
28
27
26
80
79
76
75
74
73
72
71
70
6
5
4
3
2
1
V
V
V
V
V
V
V
V
V
V
V
V
EXTAL
XTAL
RESET
BKGD
PE0
PE1
PE2/R/W
PE3/LSTRB
PE4/ECLOCK
PE5/MODA
PE6/MODB
PE7/DBE
PP0
PP1
PP2
PP3
PP4
PP5
PP6
PP7
PDLC0
PDLC1
PDLC2
PDLC3
PDLC4
PDLC5
PDLC6
DD0
DD1
DDX0
DDX1
DDAD
SS0
SS1
SSX0
SSX1
RH
RL
FP
MC68HC912B32
U2
PAD0
PAD1
PAD2
PAD3
PAD4
PAD5
PAD6
PAD7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PS0
PS1
PS2
PS3
PS4
PS5
PS6
PS7
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
18
19
20
21
22
23
24
25
39
40
41
42
43
44
45
46
51
52
53
54
55
56
57
58
12
13
14
15
16
61
62
63
64
65
66
67
68
7
8
9
V
DD
D0
D1
D2
D3
D4
D5
D6
D7
1
2
FLASH
GROUND
E CLOCK
D0
D1
D2
D3
D4
D5
D6
D7
R62
10 K
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
SW DIP-2
13
14
17
18
11
S1
3
4
7
8
1
12
11
10
27
26
23
25
28
29
22
24
31
3
9
8
7
6
5
4
2
1
OC
CLK
D0
D1
D2
D3
D4
D5
D6
D7
74HC374
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
PGM
A15
A16
CE
OE
V
4.7 K
PP
U3
R2
AM27C010
3
4
V
FLASH
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
U4
DD
V
2
5
6
9
12
15
16
19
DD
D0
D1
D2
D3
D4
D5
D6
D7
R3
4.7 K
MODA
MODB
A15
A14
A13
A12
A11
A10
13
14
15
17
18
19
20
21
A9
A8
D0
D1
D2
D3
D4
D5
D6
D7
V
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
RAM
R/W
DD1
10
25
24
21
23
26
20
27
22
9
8
7
6
5
4
3
2
1
C8
0.1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
CE
R/W
OE
V
µ
F
DDX0
RAM IC
U4
C9
0.1
D0
D1
D2
D3
D4
D5
D6
D7
V
µ
DDX1
F
11
12
13
14
15
16
17
18
D0
D1
D2
D3
D4
D5
D6
D7
C10
0.1
µ
F