MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 368

• Manufacturer Part Number: MC9S12P64VQK
• Description: 16-bit Microcontrollers - MCU 16 BIT 64K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of MC9S12P64VQK

• Rohs: yes
• Core: S12
• Processor Series: MC9S12P
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 64 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 4 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 5 V
• Operating Temperature Range: - 40 C to 105 C
• Package / Case: QFP-80
• Mounting Style: SMD/SMT
• Interface Type: I2C, SCI, SPI
• Program Memory Type: Flash

Serial Communication Interface (S12SCIV5)
11.3.2.2
Read: Anytime, if AMAP = 0.
Write: Anytime, if AMAP = 0.
368
Module Base + 0x0002
SBR[12:0]
TNP[1:0]
Reset
Field
IREN
6:5
4:0
7:0
7
W
R
LOOPS
Infrared Enable Bit — This bit enables/disables the infrared modulation/demodulation submodule.
0 IR disabled
1 IR enabled
Transmitter Narrow Pulse Bits — These bits enable whether the SCI transmits a 1/16, 3/16, 1/32 or 1/4 narrow
pulse. See
SCI Baud Rate Bits — The baud rate for the SCI is determined by the bits in this register. The baud rate is
calculated two different ways depending on the state of the IREN bit.
The formulas for calculating the baud rate are:
Note: The baud rate generator is disabled after reset and not started until the TE bit or the RE bit is set for the
Note: Writing to SCIBDH has no effect without writing to SCIBDL, because writing to SCIBDH puts the data in
SCI Control Register 1 (SCICR1)
0
7
When IREN = 0 then,
When IREN = 1 then,
This register is only visible in the memory map if AMAP = 0 (reset
condition).
SCI baud rate = SCI bus clock / (16 x SBR[12:0])
SCI baud rate = SCI bus clock / (32 x SBR[12:1])
first time. The baud rate generator is disabled when (SBR[12:0] = 0 and IREN = 0) or (SBR[12:1] = 0 and
IREN = 1).
a temporary location until SCIBDL is written to.
Table
SCISWAI
0
6
11-3.
Table 11-2. SCIBDH and SCIBDL Field Descriptions
TNP[1:0]
Figure 11-5. SCI Control Register 1 (SCICR1)
11
10
01
00
Table 11-3. IRSCI Transmit Pulse Width
S12P-Family Reference Manual, Rev. 1.13
RSRC
0
5
NOTE
M
0
4
Description
Narrow Pulse Width
WAKE
1/32
1/16
3/16
1/4
0
3
ILT
0
2
Freescale Semiconductor
PE
0
1
PT
0
0