MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 25

• 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

Freescale Semiconductor
Figure 1-4. Expanded Wide Mode SRAM Expansion Schematic (Sheet 2 of 3)
Figure 1-4. Expanded Wide Mode SRAM Expansion Schematic (Sheet 3 of 3)
A[0. . 21]
A[0. . 21]
PF[0. . 7]
RESET
PE[0. . 7]
V
CC
PF6/CSP1
PE2/R/W
A10
A11
A12
A13
A14
A15
A16
A17
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
PE3
A10
A11
A12
A13
A14
A15
A16
D[0. . 15]
A1
A2
A3
A4
A5
A6
A7
A8
A9
A0
12
37
27
46
25
24
23
22
21
20
19
18
48
17
8
7
6
5
4
3
2
1
MC68HC812A4 Data Sheet, Rev. 7
17
16
40
39
44
43
42
27
26
25
24
21
20
19
18
5
4
3
2
1
RESET
V
V
V
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
CC
SS
SS1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
WE
CS
BLE
BHE
AM29DL400B
U3
IDT71016
U4
BYTE#
RY/BY
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
WE
CE
OE
D10
D11
D12
D13
D14
D15
V
V
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
CC
SS
29
31
33
35
38
40
42
44
30
32
34
36
39
41
43
45
26
28
47
11
15
7
8
9
10
13
14
15
16
29
30
31
32
35
36
37
38
33
34
PE2/R/
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
PF5/CSP0
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
PE[0. . 7]
W
V
CC
PF[0. . 7]
V
CC
MODE_SELECT
R5
RESISTOR
S3
D[0. . 15]
Signal Descriptions
25