UPD17073 NEC, UPD17073 Datasheet - Page 15

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

1.2 Equivalent Circuits of Pins
(1) P0B (P0B3/SI/SO1, P0B2/SCK, P0B1, P0B0)
(2) P0A (P0A3, P0A2, P0A1, P0A0)
(3) P1A (P1A3/AD1, P1A2/AD0, P1A1, P1A0) (Input)
P0C (P0C1, P0C0)
P0D (P0D3/FMIFC/AMIFC, P0D2/AMIFC)
P1B (P1B3, P1B2, P1B1, P1B0)
P1C (P1C0/SO0)
LCD14-LCD0
BEEP
EO
(Output)
High ON
resistance
V
DD
V
V
DD
DD
(I/O)
V
DD
PD17072,17073
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