参数资料
型号: 71M6543GH-IGTR/F
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP100
封装: LEAD FREE, LQFP-100
文件页数: 97/157页
文件大小: 2178K
代理商: 71M6543GH-IGTR/F
71M6543F/H and 71M6543G/GH Data Sheet
44
2008–2011 Teridian Semiconductor Corporation
v1.2
IP1(SFR 0xB9) (Table 36). If requests of the same priority level are received simultaneously, an internal
polling sequence as shown in Table 37 determines which request is serviced first.
Changing interrupt priorities while interrupts are enabled can easily cause software defects. It is best
to set the interrupt priority registers only once during initialization before interrupts are enabled.
Table 35: Interrupt Priority Levels
IP1[x]
IP0[x]
Priority Level
0
Level 0 (lowest)
0
1
Level 1
1
0
Level 2
1
Level 3 (highest)
Table 36: Interrupt Priority Registers (IP0 and IP1)
Register
Address
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
IP0
SFR 0xA9
IP0[5]
IP0[4]
IP0[3]
IP0[2]
IP0[1]
IP0[0]
IP1
SFR 0xB9
IP1[5]
IP1[4]
IP1[3]
IP1[2]
IP1[1]
IP1[0]
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