TC1796
Peripheral Units (Vol. 2 of 2)
Asynchronous/Synchronous Serial Interface (ASC)
User’s Manual 19-41 V2.0, 2007-07
ASC, V2.0
Note: Additional details on service request nodes and the service request control
registers are described on Page 14-3 of the TC1796 User’s Manual System Units
part (Volume 1).
TSRC
Transmit Interrupt Service Request Control Register
(F0
H
) Reset Value: 0000 0000
H
RSRC
Receive Interrupt Service Request Control Register
(F4
H
) Reset Value: 0000 0000
H
ESRC
Error Interrupt Service Request Control Register
(F8
H
) Reset Value: 0000 0000
H
TBSRC
Transmit Buffer Interrupt Service Request Control Register
(FC
H
) Reset Value: 0000 0000
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
r
1514131211109876543210
SET
R
CLR
R
SRR SRE 0 TOS 0 SRPN
w w rh rw r rw r rw
Field Bits Type Description
SRPN [7:0] rw Service Request Priority Number
TOS 10 rw Type of Service Control
SRE 12 rw Service Request Enable
SRR 13 rh Service Request Flag
CLRR 14 w Request Clear Bit
SETR 15 w Request Set Bit
0 [9:8], 11,
[31:16]
r Reserved
Read as 0; should be written with 0.