73M2910L 데이터 시트보기 (PDF) - TDK Corporation
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73M2910L Datasheet PDF : 35 Pages
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73M2910L
Microcontroller
HDLC PACKETIZER
REGISTER
HDLC
CONTROL 0
(HDLC0)
HDLC
CONTROL 1
(HDLC1)
HDLC TX
CONTROL
(HTXC)
HDLC
STATUS
(HSTAT)
HDLC INT
ENABLE
(HIE)
HDLC INT
SOURCE
(HINT)
RX DATA
(RXD)
TX DATA
(TXD)
ADDRESS
C0
C1
C2
C3
C4
C5
C6
C7
BIT 7
WRXD
RESET
0
INVAL
CRC32
TX RDY
IE
0
RXDAT7
TXDAT7
BIT 6
WPTXD
CCIT
0
INVAL
CRC16
RX RDY
IE
0
BIT 5
TXD
BIT 4
PRXD
CRC
PRE
RXCRC32
0
DIV16
CLK
TX
UNDERRUN
RX
UNDERRUN
TX RDY
EN
RX RDY
EN
0
0
BIT 3
RXD
CTRL1
RXCRC16
SEND
ABORT
INVAL
FLAG
INVAL
FLAG IE
0
RXDAT6
TXDAT6
RXDAT5
TXDAT5
RXDAT4
TXDAT4
RXDAT3
TXDAT3
BIT 2
RXD
CTRL0
TXCRC32
SEND
CRC
ABORT
DETECT
ABORT
IE
NEW
STATUS
RXDAT2
TXDAT2
BIT 1
PTXD
CTRL1
ZERO
ID
SEND
DATA
IDLE
DETECT
IDLE
IE
RX
READY
RXDAT1
TXDAT1
BIT 0
PTX
CTRL0
HDLC
INTEN
SEND
FLAG
FLAG
DETECT
FLAG
IE
TX
READY
RXDAT0
TXDAT0
FIGURE 2: HDLC SFR Registers
HDLC CONTROL REGISTERS
HDLC CONTROL REGISTER 0 (HDLC0) SFR ADDRESS 0C0h
Bit Addressable Reset State 00XX 0000 b
Bits 5 and 4 are read only bits
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
WRXD
WPTXD
TXD
R
PRXD
R
RXD
CTRL1
RXD
CTRL0
PTX
CTRL1
This register controls the basic set-up of the DTE and modem pins RXD, TXD, PRXD, and PTXD.
BIT 0
PTX
CTRL0
BIT 7 WRXD
Bit 7 allows the processor to write directly to the 73M2910L RXD output pin. The value of bit 7 will appear at the
RXD pin only if bit 3 is a 1 and bit 2 is a 1.
BIT 6 WPTXD
Bit 6 allows the processor to write directly to the 73M2910L PTXD output pin. The value of bit 6 will appear at
the PTXD pin only if bit 1 is a 1 and bit 0 is a 0.
BIT 5 TXD
Bit 5 is a read only bit that reflects the value at the 73M2910L TXD input pin.
BIT 4 PRXD
Bit 4 is a read only bit that reflects the value at the 73M2910L PRXD input pin.
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