MM912F634DV1AE Freescale Semiconductor, MM912F634DV1AE Datasheet - Page 110

• Manufacturer Part Number: MM912F634DV1AE
• Description: 16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
• Manufacturer: Freescale Semiconductor

Specifications of MM912F634DV1AE

• Rohs: yes
• Core: HCS12
• Processor Series: MM912F634
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 4.5 V to 5.5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-48
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 15
• Interface Type: SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 6
• Number Of Timers: 1
• Program Memory Type: Flash
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V

Functional Description and Application Information
4.15.1.3
Figure 31
Freescale Semiconductor
RATE CLOCK
1  BAUD
shows the transmitter portion of the SCI.
Block Diagram
INTERNAL BUS
PE
PT
M
BRK13
TXDIR
SBK
TE
GENERATION
Figure 31. SCI Transmitter Block Diagram
PARITY
T*
11-BIT TRANSMIT SHIFT REGISTER
(WRITE-ONLY)
H
8
7
SHIFT DIRECTION
TRANSMIT CONTROL
SCID – Tx BUFFER
6
5
4
TDRE
TCIE
TIE
TC
3
2
1
Serial Communication Interface (S08SCIV4)
0
L
SCI CONTROLS TxD
LOOPS
TxD DIRECTION
RSRC
CONTROL
TX-
LOOP
Tx INTERRUPT
REQUEST
TO RECEIVE
DATA IN
TO TxD
TO TxD
LOGIC
MM912F634
110