PC87109VBE Nuvoton Technology Corporation of America, PC87109VBE Datasheet - Page 36

• Manufacturer Part Number: PC87109VBE
• Description: IC CONTROLLER ADV UART 32-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of PC87109VBE

• Features: Transmit Deferral
• Number Of Channels: 2, DUART
• Fifo's: 16 Byte
• Voltage - Supply: 5V
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *PC87109VBE

3.7 Bank 6
3.7.1 IRCR3 - Infrared Control Register 3
Used to select the operating mode of the infrared interface.
Upon reset, the content of this register is 20h.
B0
B1
B2
B3
B4
B5
B6
B7
3.7.2 MIR_PW - MIR Pulse Width Register
This register is used to program the width of the transmitted MIR infrared pulses in increments of either 20.833 ns or 41.666 ns
depending on the setting of the MDSR bit in the IRCR2 register.
The programmed value has no effect on the MIR receiver. After reset, the content of this register is 0Ah.
Bits
Function
Reset State
Bits
Function
Reset State
Reserved.
Write 0.
TXCRC_DS - Disable Transmitter CRC.
When set to 1, a CRC is not transmitted.
TXCRC_INV - Invert Transmitter CRC.
When set to 1, an inverted CRC is transmitted.
Reserved.
Write 0.
MIR_CRC - MIR Mode CRC Select.
Determines the length of the CRC in MIR mode.
0 => 16 bit CRC
1 => 32 bit CRC
FIR_CRC - FIR Mode CRC Select.
Determines the length of the CRC in FIR mode.
0 => 16-bit CRC
1 => 32-bit CRC
SHMD_DS - Sharp-IR Modulation Disable.
When set to 1, internal 500 kHz transmitter modulation is disabled.
SHDM_DS - Sharp-IR Demodulation Disable.
When set to 1, internal 500 kHz receiver demodulation is disabled.
SHDM_DS
res
B7
B7
0
0
Address
Offset
SHMD_DS
5-7
0
1
2
3
4
res
B6
B6
0
0
IRCR3
MIR_PW
SIR_PW
LCR/BSR
BFPL
Reserved
Figure 3-19. Infrared Control Register 3
Register
Figure 3-20. MIR Pulse Width Register
Name
FIR_CRC
Table 3-12. Bank 6 Register Set
Res
B5
B5
1
0
Infrared Control Register 3
MIR Pulse Width Register
SIR Pulse Width Register
Link Control/Bank Select Registers
Beginning Flags/Preamble Length Register
MIR_CRC
36
res
B4
B4
0
0
Description
MPW3
res
B3
0
B3
1
TXCRC_INV
MPW2
B2
0
B2
0
TXCRC_DS
MPW1
B1
B1
1
0
www.national.com
MPW0
B0
B0
res
0
0