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NJU3554 Datasheet(PDF) 14 Page - New Japan Radio

Part No. NJU3554
Description  4-BIT SINGLE CHIP OTP MICRO CONTROLLER
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Maker  NJRC [New Japan Radio]
Homepage  http://www.njr.co.jp/index_e.htm
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NJU3554 Datasheet(HTML) 14 Page - New Japan Radio

 
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NJU3554
- 14 -
[ CIRCUIT TYPE TABLE 2 ]
TERMINAL TYPES
Input / Output
Terminal*1
SYMBOL
EXTRA FUNCTION
REMARKS
PF0
ISP
IS
OC
PF1
ISP
IS
OC
PF2
ISP
IS
OC
PG0
ISP
IS
OC
PG1
ISP
IS
OC
PH0
ISP
IS
OC
Restart signal input
PH1
ISP
IS
OC
Edge detection
R
F
Rise edge detection
Fall edge detection
AIN0 / PI0
ICP
IC
AD
Analog input to ADC
(AIN0)
AIN1 / PI1
ICP
IC
AD
Analog input to ADC
(AIN1)
AIN2 / PI2
ICP
IC
AD
Analog input to ADC
(AIN2)
AIN3 / PI3
ICP
IC
AD
Analog input to ADC
(AIN3)
VREF / PJ0
ISP
IS
AD
Reference input
(VREF)
ADCK / PJ1
*2
ISP
IS
ACP
AC
External clock input
(ADCK)
EXTI / PK0
*2
ISP
IS
IIP
II
External interrupt input
(EXTI)
R
F
Rise interrupt input
Fall interrupt input
CNTI / PK1
*2
ISP
IS
IIP
II
External clock of Timer 2 input
(CNTI)
SDO / PL0
OC
SO
Serial data output
MSB MSB first
SDI(O) / PL1
*2
ICP
IC
OC
SDP
SD
Serial data input/output
LSB
LSB first
SCP
SC
Serial clock input/output
SCK / CKOUT
*2 *3
-
Output clock divide
by pre-scaler
Note) The symbol in the above table is the same as in mask option generator software.
*1) The symbol and the detail circuits of INPUT OUTPUT TERMINAL are written in INPUT OUTPUT
TERMINAL TYPE.
*2) The pull-up resistance is added to the terminal selected as the extra function.
*3) When Serial INPUT-OUTPUT is selected, “SCK” is selected automatically.
When it is not selected,
“CKOUT” is selected automatically.


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