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UPD17708 Datasheet(PDF) 74 Page - NEC

No. de pieza UPD17708
Descripción Electrónicos  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
PDF  356 Pages
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Fabricante Electrónico  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo NEC - NEC

UPD17708 Datasheet(HTML) 74 Page - NEC

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Table 8-1. Peripheral Hardware Control Functions of Control Registers (5/8)
Peripheral
Control Register
Peripheral Hardware Control Function
At Reset
Clock
Hardware
Name
Address
Read/
Function
Set value
Power- WDT
CE
Stop
Write
Symbol
ON
& SP
reset
01
reset
reset
Interrupt Interrupt edge
1EH
R/W
IEG4
Sets interrupt issuance edge
Rising edge
Falling edge
0
0
Retained Retained
selection 1
(INT4 pin)
INT4SEL
Sets interrupt request flag of
Enables
Disables
P1A3/INT4 pin
setting of flag setting of flag
IEG3
Sets interrupt issuance edge
Rising edge
Falling edge
(INT3 pin)
INT3SEL
Sets interrupt request flag of
Enables
Disables
P1A2/INT3 pin
setting of flag setting of flag
Interrupt edge
1FH
R/W
0
Fixed to “0”
0
0
Retained Retained
selection 2
IEG2
Sets interrupt issuance edge
Rising edge
Falling edge
(INT2 pin)
IEG1
Sets interrupt issuance edge
(INT1 pin)
IEG0
Sets interrupt issuance edge
(INT0 pin)
Interrupt enable 1
2DH
R/W
IPSIO1
Enables serial interface 1
Disables
Enables
0
0
Retained Retained
interrupt
interrupt
interrupt
IPSIO0
Enables serial interface 0
interrupt
IPTM3
Enables timer 3 interrupt
IPTM2
Enables timer 2 interrupt
Interrupt enable 2
2EH
R/W
IPTM1
Enables timer 1 interrupt
Disables
Enables
0
0
Retained Retained
IPTM0
Enables timer 0 interrupt
interrupt
interrupt
IP4
Enables INT4 pin interrupt
IP3
Enables INT3 pin interrupt
Interrupt enable 3
2FH
R/W
IP2
Enables INT2 pin interrupt
Disables
Enables
0
0
Retained Retained
IP1
Enables INT1 pin interrupt
interrupt
interrupt
IP0
Enables INT0 pin interrupt
IPCE
Enables CE pin interrupt
Serial interface 1 34H
R/W
0
Fixed to “0”
0
0
Retained Retained
interrupt request
0
0
IRQSIO1
Detects serial interface 1
No interrupt
Interrupt
interrupt request
request
request
b3
b2
b1
b0



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