NEC UPD98413 User Manual page 265

(99) General event detection register (DGE) Common register
The DGE register indicates the causes of the general event.
Register Address
Name
DGE_RWC 0280 H
DGE_RC 0284 H
31 30 29 28
Reserved
15 14 13 12
Reserved
Bit Field
Reserved Reserved
D31-D17
D16 IACS 1: Detects an illegal access to undefined address.
0: Does not detect.
Reserved Reserved
D15-D12
D11 P3INIR 1: Detects that the receive function of port3 is initialized due to port reset.
0: Does not detect.
D10 P2INIR 1: Detects that the receive function of port2 is initialized due to port reset.
0: Does not detect.
D9 P1INIR 1: Detects that the receive function of port1 is initialized due to port reset.
0: Does not detect.
D8 P0INIR 1: Detects that the receive function of port0 is initialized due to port reset.
0: Does not detect.
D7 P3INIT 1: Detects that the transmit function of port3 is initialized due to port reset.
0: Does not detect.
D6 P2INIT 1: Detects that the transmit function of port2 is initialized due to port reset.
0: Does not detect.
D5 P1INIT 1: Detects that the transmit function of port1 is initialized due to port reset.
0: Does not detect.
D4 P0INIT 1: Detects that the transmit function of port0 is initialized due to port reset.
0: Does not detect.
D3 P3BSY 1: Detects that the receive function of port3 is busy due to port enable.
0: Does not detect.
D2 P2BSY 1: Detects that the receive function of port2 is busy due to port enable.
0: Does not detect.
D1 P1BSY 1: Detects that the receive function of port1 is busy due to port enable.
0: Does not detect.
D0 P0BSY 1: Detects that the receive function of port0 is busy due to port enable.
0: Does not detect.
Note: the default value of this register is depends on General event.
CHAPTER 5 REGISTERS
Access Default
R/WC 00000FF0 H
00000FF0 H
RC
27 26 25 24
11 10 9 8
P3INIR P2INIR P1INIR P0INIR
PRELIMINARY
Function
Read-only / Write clear
Read clear
23 22 21 20
IACS
7 6 5 4
P3INIT P2INIT P1INIT P0INIT
Function
19 18 17 16
3 2 1 0
P3BSY P2BSY P1BSY P0BSY
Default
All 0
0
All 0
1
1
1
1
1
1
1
1
0
0
0
0
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