參數(shù)資料
型號: UPD75068A
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 31/68頁
文件大?。?/td> 640K
代理商: UPD75068A
31
μ
PD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
Shift register (SIO)
Operation mode register (CSIM)
SBI control register (SBIC)
Slave address register (SVA)
Processor clock control register
(PCC)
System clock control register
(SCC)
Clock output mode register
(CLOM)
Interrupt
request flag
IRQ1, IRQ2,
and IRQ4
( IRQxxx )
Other than above
Interrupt enable flag (IE
×××
)
Interrupt master enable flag
(IME)
INT0, 1, 2, mode register
(IM0, IM1, IM2)
Output buffer
Output latch
Input/output mode register
(PMGA, PMGB)
Pull-up resistor specification
register (POGA)
Mode register (ADM)
SA register (SA)
RESET input during operation
Undefined
0
0
Undefined
0
0
0
Undefined
0
0
0
0, 0, 0
Off
Clear (0)
0
0
04H
Undefined
Undefined
RESET input in standby mode
Retained
0
0
Retained
0
0
0
Undefined
0
0
0
0, 0, 0
Off
Clear (0)
0
0
04H
Undefined
Retained
Table 8-1. Status of All Hardware after Reset (2/2)
Serial
interface
Clock genera-
tor, Clock
output circuit
Interrupt
function
Digital port
A/D converter
Hardware
Bit sequential buffer (BSB0-BSB3)
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