MK68564 Просмотр технического описания (PDF) - STMicroelectronics
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MK68564 Datasheet PDF : 46 Pages
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MK68564
SIO INTERNAL REGISTERS
The MK68564 SIO has 25 internal registers. Each channel has ten R/W registers and two read only registers
associated with it. The vector register may be accessed through either channel.
Table 1 : Register Map.
Address
54321
Abbreviation
Channel
Register Name
00000
CMDREG
A
Command Register
00001
MODECTL
A
Mode Control Register
00010
INTCTL
A
Interrupt Control Register
00011
SYNC 1
A
Sync Word Register 1
00100
SYNC 2
A
Sync Word Register 2
00101
RCVCTL
A
Receiver Control Register
00110
XMTCTL
A
Transmitter Control Register
00111
STAT 0
A
Status Register 0
01000
STAT 1
A
Status Register 1
01001
DATARG
A
Data Register
01010
TCREG
A
Time Constant Register
01011
BRGCTL
A
Baud Rate Generator Control Reg
01100
VECTRG
A/B
Interrupt Vector Register (note 2)
01101
A
(note 1)
01110
A
(note 1)
01111
A
(note 1)
10000
CMDREG
B
Command Register
10001
MODECTL
B
Mode Control Register
10010
INTCTL
B
Interrupt Control Register
10011
SYNC 1
B
Sync Word Register 1
10100
SYNC 2
B
Sync Word Register 2
10101
RCVCTL
B
Receiver Control Register
10110
XMTCTL
B
Transmitter Control Register
10111
STAT 0
B
Status Register 0
11000
STAT 1
B
Status Register 1
11001
DATARG
B
Data Register
11010
TCREG
B
Time Constant Register
11011
BRGCTL
B
Baud Rate Generator Control Reg
11100
VECTRG
A/B
Interrupt Vector Register (note 2)
11101
B
(note 1)
11110
B
(note 1)
11111
B
(note 1)
Notes : 1. Not Used, Read as ”FFH”.
2. Only One Vector Register, Accessible through Either Channel.
Access
Read/ Read
write Only
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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