MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 19

• 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

1.4 Block Diagram
Freescale Semiconductor
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
BKGD/TAGHI
RESET
V
V
EXTAL
DDPLL
SSPLL
XTAL
XFC
DATA6/KWD6
DATA5/KWD5
DATA4/KWD4
DATA3/KWD3
DATA2/KWD2
DATA1/KWD1
DATA0/KWD0
KWJ7
KWJ6
KWJ5
KWJ4
KWJ3
KWJ2
KWJ1
KWJ0
KWH7
KWH6
KWH5
KWH4
KWH3
KWH2
KWH1
KWH0
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA9
DATA8
DATA7/KWD7
ARST
IPIPE1/MODB
IPIPE0/MODA
ECLK
LSTRB/TAGLO
R/W
IRQ/V
XIRQ
DEBUG MODULE
BACKGROUND
SINGLE-WIRE
PLL CLOCK
PP
CONTROL
LITE INTEGRATION MODULE
ADDRESS/DATA BUS
4-KBYTE EEPROM
NON-MULTIPLEXED
1-KBYTE SRAM
MC68HC812A4 Data Sheet, Rev. 7
Figure 1-2. Block Diagram
CPU12
LIM
PERIODIC INTERRUPT
INTERRUPT BLOCK
CLOCK MONITOR
COP WATCHDOG
ADDR21
ADDR20
ADDR19
ADDR18
ADDR17
ADDR16
ADDR15
ADDR14
ADDR13
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
CSP1
CSP0
CSD
CS3
CS2
CS1
CS0
TIM
CONVERTER
MSI
SCI0
SCI1
SPI0
A/D
OC7
PF6
PF5
PF4
PF3
PF2
PF1
PF0
PG5
PG4
PG3
PG2
PG1
PG0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
SDO/MOSI
V
SDI/MISO
STBY
IOC7/PAI
V
V
RXD1
RXD0
TXD1
TXD0
IOC6
IOC5
IOC4
IOC3
IOC2
IOC1
IOC0
V
V
DDA
/AN7
SSA
SCK
AN6
AN5
AN4
AN3
AN2
AN1
AN0
RH
RL
SS
V
V
V
V
RH
RL
DDA
SSA
V
V
V
V
DDEXT
SSEXT
DD
SSI
Block Diagram
PAD7V
PAD6
PAD5
PAD4
PAD3
PAD2
PAD1
PAD0
x1
x1
x3
x3
PT7
PT6
PT5
PT4
PT3
PT2
PT1
PT0
PS7
PS6
PS5
PS4
PS3
PS2
PS1
PS0
STBY
19