MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 20

• Manufacturer Part Number: MC812A4CPVE8
• Description: IC MCU 16BIT EEPROM 4K 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC812A4CPVE8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 83
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: EEPROM
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Processor Series: HC812A
• Core: HC12
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Controller Family/series: 68HC12
• No. Of I/o's: 91
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1KB
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

General Description
1.5 Signal Descriptions
The MC68HC812A4 is available in a 112-lead low-profile quad flat pack (LQFP). The pin assignments are
shown in
are cross referenced in
20
PAD7/AN7/V
PS5/SDO/MOSI
PS4/SDI/MISO
Figure
PT7/IOC7/PAI
PAD0/AN0
PAD1/AN1
PAD2/AN2
PAD3/AN3
PAD4/AN4
PAD5/AN5
PAD6/AN6
PS0/RxD0
PS2/RxD1
PS1/TxD0
PS3/TxD1
PT0/IOC0
PT1/IOC1
PT2/IOC2
PT3/IOC3
PT4/IOC4
PT5/IOC5
PT6/IOC6
PS6/SCK
PS7/SS
A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
STBY
V
V
V
DDA
V
SSA
1-3. Most pins perform two or more functions, as described in
RH
RL
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
Table 1-3
and
Figure 1-3. Pin Assignments
MC68HC812A4 Data Sheet, Rev. 7
Table
1-4.
MC68HC812A4
112-LEAD LQFP
NOTE
Table
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
ADDR4/PB4
ADDR3/PB3
ADDR2/PB2
ADDR1/PB1
ADDR0/PB0
ARST/PE7
MODB/IPIPE1/PE6
MODA/IPIPE0/PE5
ECLK/PE4
XTAL
EXTAL
V
XFC
V
V
V
RESET
LSTRB/TAGLO/PE3
R/W/PE2
IRQ/V
XIRQ/PE0
DATA15/PC7
DATA14/PC6
DATA13/PC5
DATA12/PC4
DATA11/PC3
DATA10/PC2
DATA9/PC1
Freescale Semiconductor
1-2. Individual ports
SSPLL
DDPLL
DDX
SSX
PP
/PE1