NEC µPD72257 Preliminary User's Manual page 289

Graphics controllers
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Drawing Engine
8.9.6.6
Note
Access
Address
Index
Initial Value
31
30
29
28
15
14
13
12
Bit
Bit name
PERFCOUNTk
31 to 0
[31:0]
DRWPERFCOUNTk - Performance counter k
The Drawing Engine will increment the counters on every event selected by
DRWPERFTRIGGER.
k = 1 to 2
This register can be read and written in 32-bit units.
DRWPERFCOUNT1: <DrwE_Base> + CC
DRWPERFCOUNT2: <DrwE_Base> + D0
DRWPERFCOUNT1: 51, DRWPERFCOUNT2: 52
0000 0000
. This register is initialized by any reset.
H
27
26
25
24
PERFCOUNTk[31:16]
11
10
9
8
PERFCOUNTk[15:0]
Function
Counter k value
Preliminary User's Manual S19203EE1V3UM00
H
H
23
22
21
R/W
7
6
5
R/W
Chapter 8
20
19
18
17
4
3
2
1
16
0
289

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