参数资料
型号: MB90462P-SH
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP64
封装: 1.78 MM PITCH, SHRINK, PLASTIC, DIP-64
文件页数: 51/85页
文件大小: 826K
代理商: MB90462P-SH
MB90460 Series
55
11. DTP/External Interrupts
The DTP/external interrupt circuit is activated by the signal supplied to a DTP/external interrupt pin. The CPU
accepts the signal using the same procedure it uses for normal hardware interrupts and generates external
interrupts or activates the extended intelligent I/O service (EI2OS) .
Features of DTP/External Interrupt :
Total 8 external interrupt channels
Two request levels (“H” and “L”) are provided for the intelligent I/O service.
Four request levels (rising edge, falling edge, “H” level and “L” level) are provided for external interrupt requests.
Block Diagram
LB7
ER7
ER6
ER5
ER4
ER3
ER2
ER1
ER0
EN7
EN6
EN5
EN4
EN3
EN2
EN1
EN0
P63/INT7
P10/INT0/DTTI0
LA7 LB6 LA6 LB5 LA5 LB4 LA4 LB3 LA3 LB2 LA2 LB1 LA1 LB0 LA0
P16/INT6/TO0
P11/INT1
P12/INT2/DTTI1
P13/INT3
P15/INT5/TIN0
P14/INT4
Pin
Selector
Pin
Internal
data
bus
Selector
#20(14H)
Interrupt request number
Request level setting register (ELVR)
#22(16H)
#25(19H)
#27(1BH)
2
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