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HD6473032F Datasheet, PDF (440/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer | |||
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Table 17-2 DC Characteristics (cont)
Conditions: VCC = 3.0 V to 5.5 V, AVCC = 3.0 V to 5.5 V, VREF = 3.0 V to AVCC,
VSS = AVSS = 0 V*, Ta = â20°C to +75°C (regular specifications),
Ta = â40°C to +85°C (wide-range specifications)
Item
Symbol Min
Typ Max
Unit Test Conditions
Schmitt
Port A,
trigger input P80 to P82,
voltages
PB0 to PB3
VTâ
VCC Ã 0.2 â
VT+
â
â
VT+ â VTâ VCC Ã 0.07 â
â
V
VCC Ã 0.7 V
â
V
Input high
voltage
RES, STBY, VIH
NMI, MD1,
MD0
VCC Ã 0.9 â
VCC + 0.3 V
EXTAL
VCC Ã 0.7 â
VCC + 0.3 V
Port 7
VCC Ã 0.7 â
AVCC + 0.3 V
Ports 1, 2, 3,
5, 6, 9, P83,
PB4 to PB7
VCC Ã 0.7 â
VCC + 0.3 V
Input low
voltage
RES, STBY, VIL
MD1, MD0
â0.3
â
VCC Ã 0.1 V
NMI, EXTAL,
ports 1, 2, 3,
5, 6, 7, 9, P83,
PB4 to PB7
â0.3
â
VCC Ã 0.2 V
0.8
V
VCC < 4.0 V
VCC =
4.0 to 5.5 V
Output high All output pins VOH
VCC â 0.5 â
â
voltage
VCC â 1.0 â
â
V IOH = â200 µA
V
IOH = â1 mA
Note: * If the A/D converter is not used, do not leave the AVCC, AVSS, and VREF pins open.
Connect AVCC and VREF to VCC, and connect AVSS to VSS.
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