MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 230

• 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

OR INTERNAL
Notes:
INTERRUPT
IRQ
Note: RESET also causes recovery from WAIT.
ADDRESS
1. Edge sensitive IRQ pin (IRQE bit = 1)
2. Level sensitive IRQ pin (IRQE bit = 0)
OR INTERNAL
INTERRUPTS
(2)
, XIRQ,
ECLK
DATA
ADDRESS
IRQ, XIRQ,
IRQ
R/W
(1)
ECLK
R/W
PW
t
IRQ
PCSU
SP – 2
VECTOR
ADDR
VECT
STACK REGISTERS
PC, IY, IX, B:A, , CCR
SP – 4
Figure 18-4. WAIT Recovery Timing Diagram
SP – 2
Figure 18-5. Interrupt Timing Diagram
PC
SP – 6 . . . SP – 9
PIPE
FETCH
PROG
1ST
SP – 4
IY
SP – 9
SP – 6
IX
SP – 9. . . SP – 9
FETCH
PIPE
PROG
2ND
SP – 8
B:A
SP – 9
t
PCSU
SP – 9
CCR
ADDRESS
VECTOR
t
WRS
PIPE
3RD
FETCH
PROG
FREE
EXEC
1ST
1ST
PIPE
PIPE
2ND
PIPE
3RD
EXEC
1ST