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UPD784915B Datasheet, PDF (70/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS
µPD784915B, 784916B
Clock output operation (TA = –10 to +70°C, VDD = AVDD = 4.5 to 5.5 V, VSS = AVSS = 0 V)
Parameter
CLO cycle time
CLO low-level width
CLO high-level width
CLO rise time
CLO fall time
Symbol
tCYCL
tCLL tCYCL/2 ± 50
tCLH tCYCL/2 ± 50
tCLR
tCLF
Condition
MIN.
250
75
75
MAX. Unit
2000
ns
1050
ns
1050
ns
50
ns
50
ns
Data hold characteristics (TA = –10 to +70°C, VDD = AVDD = 2.5 to 5.5 V, VSS = AVSS = 0 V)
Parameter
Low-level input voltage
High-level input voltage
Symbol
Condition
VIL Special pins (pins in Note)
VIH
MIN.
0
0.9 VDDDR
TYP.
MAX.
0.1 VDDDR
VDDDR
Unit
V
V
Note RESET, IC, NMI, INTP0-INTP2, P61/SCK1/BUZ, P63/SI1, SCK2, SI2/BUSY, P65/HWIN, P91/KEY0-P95/
KEY4
Watch function (TA = –10 to +70°C, VDD = AVDD = 2.7 to 5.5 V, VSS = AVSS = 0 V)
Parameter
Subclock oscillation hold voltage
Hardware watch function operating voltage
Symbol
VDDXT
VDDW
Condition
MIN.
2.7
2.7
MAX. Unit
V
V
Subclock oscillation stop detection flag (TA = –10 to +70°C, VDD = AVDD = 4.5 to 5.5 V, VSS = AVSS = 0 V)
Parameter
Oscillation stop detection width
Symbol
tOSCF
Condition
MIN.
45
MAX. Unit
µs
A/D converter characteristics (TA = –10 to +70°C, VDD = AVDD = AVREF = 4.5 to 5.5 V, VSS = AVSS = 0 V)
Parameter
Resolution
Total error
Quantization error
Conversion time
Sampling time
Analog input voltage
Analog input impedance
AVREF current
Symbol
Condition
AVREF = VDD
tCONV
tSAMP
VIAN
ZAN
AIREF
Bit 4 of ADM = 0
Bit 4 of ADM = 1
Bit 4 of ADM = 0
Bit 4 of ADM = 1
MIN.
8
TYP.
160tCLK1
80tCLK1
32tCLK1
16tCLK1
0
1000
0.4
MAX. Unit
bit
2.0
%
±1/2 LSB
µs
µs
µs
µs
AVREF
V
MΩ
1.2
mA
VREF amplifier (TA = 25°C, VDD = AVDD = 5 V, VSS = AVSS = 0 V)
Parameter
Reference voltage
Charge current
Symbol
Condition
VREF
ICHG Sets AMPM0.0 to 1
(pins in Note)
MIN.
2.35
300
TYP.
2.50
MAX. Unit
2.65
V
µA
Note RECCTL+, RECCTL–, CFGIN, CFGCPIN, DFGIN, DPGIN, CSYNCIN, REEL0IN, REEL1IN
70