參數(shù)資料
型號(hào): UPD754304
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù): 35/74頁(yè)
文件大小: 316K
代理商: UPD754304
μ
PD754302, 754304, 754302(A), 754304(A)
35
Table 9-1. Status of Each Hardware After Reset (2/2)
Hardware
RESET signal generation
in the standby mode
RESET signal generation
in operation
Interrupt
Interrupt request flag (IRQ
×××
)
Reset (0)
Reset (0)
function
Interrupt enable flag (IE
×××
)
0
0
Interrupt priority select register (IPS)
0
0
INT0, 1, 2 mode registers (IM0, IM1, IM2)
0, 0, 0
0, 0, 0
Digital port
Output buffer
Off
Off
Output latch
Cleared (0)
Cleared (0)
I/O mode registers (PMGA, B, C)
0
0
Pull-up resistor setting registers (POGA, B)
0
0
Bit sequential buffers (BSB0-BSB3)
Held
Undefined
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