
CD2481
—
Programmable Four-Channel Communications Controller
144
Datasheet
9.2.16.2
Receive Async Control Character Map 1 (RXACCM1)
9.2.16.3
Receive Async Control Character Map 2 (RXACCM2)
9.2.16.4
Receive Async Control Character Map 3 (RXACCM3)
The RXACCM registers define received characters in the range 00
–
1F as mapped (Control bit set)
or not mapped (Control bit clear) as follows:
RXACCM0 bits 0
–
7 control characters 00
–
07, respectively.
RXACCM1 bits 0
–
7 control characters 08
–
0F, respectively.
RXACCM2 bits 0
–
7 control characters 10
–
17, respectively.
RXACCM3 bits 0
–
7 control characters 18
–
1F, respectively.
Register Name: RXACCM1
Register Description: Receive Async Control Character Map 1
Default Value: x
’
00
Access: Byte Read/Write
Intel Hex Address: x
’
21
Motorola Hex Address: x
’
22
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Char. 0F
Char. 0E
Char. 0D
Char. 0C
Char. 0B
Char. 0A
Char. 09
Char. 08
Register Name: RXACCM2
Register Description: Receive Async Control Character Map 2
Default Value: x
’
00
Access: Byte Read/Write
Intel Hex Address: x
’
22
Motorola Hex Address: x
’
21
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Char. 17
Char. 16
Char. 15
Char. 14
Char. 13
Char. 12
Char. 11
Char. 10
Register Name: RXACCM3
Register Description: Receive Async Control Character Map 3
Default Value: x
’
00
Access: Byte Read/Write
Intel Hex Address: x
’
23
Motorola Hex Address: x
’
20
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Char. 1F
Char. 1E
Char. 1D
Char. 1C
Char. 1B
Char. 1A
Char. 19
Char. 18