MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 235

• 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
CPOL = 0
CPOL = 1
CPOL = 1
CPOL = 0
(OUTPUT
OUTPUT
Notes:
OUTPUT
OUTPUT
OUTPUT
OUTPUT
Notes:
OUTPUT
OUTPUT
INPUT
INPUT
1. SS output mode (DDS7 = 1, SSOE = 1)
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB
1. SS output mode (DDS7 = 1, SSOE = 1)
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB
MISO
MOSI
MISO
MOSI
SS
SS
SCK
SCK
SCK
SCK
(1)
(1)
PORT DATA
10
2
6
10
2
MSB IN
MASTER MSB OUT
4
6
MSB OUT
Figure 18-9. SPI Timing Diagram (Sheet 1 of 2)
MSB IN
(2)
1
7
4
(2)
(2)
7
4
1
MC68HC812A4 Data Sheet, Rev. 7
A) SPI Master Timing (CPHA = 0)
B) SPI Master Timing (CPHA = 1)
(2)
4
BIT 6 . . . 1
BIT 6 . . . 1
10
13
12
11
BIT 6 . . . 1
BIT 6 . . . 1
12
LSB IN
13
MASTER LSB OUT
LSB OUT
LSB IN
13
12
3
5
11
3
PORT DATA
5
SPI Timing
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