MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 152

• 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

Serial Communications Interface Module (SCI)
14.3 Block Diagram
152
MODULE
CLOCK
RXD
SBR[12:0]
GENERATOR
BAUD RATE
WOMS
T8
TXD FROM SCI1
RXD TO SCI1
³16
PORT S DATA REISTER
DIRECTION REGISTER
PIN CONTROL LOGIC
SHIFT REGISTER
SHIFT REGISTER
DATA FORMAT
PORT S DATA
AND WAKEUP
Figure 14-1. SCI Block Diagram
TRANSMIT
TRANSMIT
REGISTER
CONTROL
CONTROL
CONTROL
SCI DATA
REGISTER
SCI DATA
RECEIVE
RECEIVE
MC68HC812A4 Data Sheet, Rev. 7
3 2 1 0
TXD
LOOPS
LOOPS
WAKE
RSRC
RSRC
RWU
SBK
ILT
RE
PE
PT
TE
M
RXD0
TXD0
RXD1
TXD1
RDRF
TDRE
IDLE
RAF
OR
R8
NF
FE
PF
TC
RIE
TCIE
ILIE
TIE
Freescale Semiconductor
SCI
INTERRUPT
REQUEST
SCI
INTERRUPT
REQUEST
SCI
INTERRUPT
REQUEST
SCI
INTERRUPT
REQUEST