W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 33

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

PACKAGE [31:30] Package Type
CHPID [23:0]: Chip identifier
The Chip identifier of W90N740 is 0x90.0740
Arbitration Control Register (ARBCON)
IPACT [2] ： Interrupt priority active
When IPEN=”1”, this bit is set when the ARM core has an unmasked interrupt request.
This bit is available only when the PRTMOD = 0.
IPEN [1] ： Interrupt priority enable bit
0 = the ARM core has the lowest priority.
1 = enable to raise the ARM core priority to second
This bit is available only when the PRTMOD = 0.
PRTMOD [0] ： Priority mode select
0 = Fixed Priority Mode (default)
1 = Rotate Priority Mode
REGISTER
ARBCON
31
23
15
7
0xFFF0.0004
1
ADDRESS
30
22
14
6
PACKAGE [31:30]
RESERVED
29
21
13
5
R/W
R/W
28
20
12
1
4
Arbitration Control Register
RESERVED
RESERVED
RESERVED
- 30 -
W90N740CD/W90N740CDG
27
19
11
3
DESCRIPTION
IPACT
26
18
10
2
176-pin Package
BUS WIDTH
IPEN
25
17
9
1
RESET VALUE
0x0000.0000
PRTMOD
24
16
8
0