UPD17P401CG-XXX-3B9 Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD17P401CG-XXX-3B9
NEC => Renesas Technology
UPD17P401CG-XXX-3B9 Datasheet PDF : 32 Pages
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µPD17P401
1. PIN FUNCTIONS
1.1 NORMAL OPERATING MODE
PIN NO.
SYMBOL
FUNCTION
OUTPUT TYPE
AFTER POWER-ON
RESET
LCD controller/driver segment signal, LCD
controller/driver common signal, key
62
LCD35/P0D3/CKOUT
matrix key source signal, port 0D, port 1A,
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port 1D and watchdog timer 32 kHz crystal
65
LCD32/P0D0
resonator oscillation signal outputs.
66
LCD31/P1A3
• LCD35 to LCD0
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• LCD controller/driver segment signal
69
LCD28/P1A0
outputs
70
LCD27/P1D3
• COM0 to COM3
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• LCD controller/driver common signal
73
LCD24/P1D0
outputs
74
COM0
• KS15 to KS0
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• Key matrix key source signal outputs
76
COM2
• P0D3 to P0D0
77
LCD23/COM3
• 4-bit CMOS output port
78
LCD22
• P1A3 to P1A0
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• 4-bit CMOS output port
80
LCD20
• P1D3 to P1D0
1
LCD19
• 4-bit CMOS output port
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• CKOUT
4
LCD16
• Watchdog timer 32 kHz oscillation
5
LCD15/KS15
signal output
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• Watchdog timer 32 kHz crystal
20
LCD0/KS0
resonator (XTIN, XTOUT) oscillation
frequency adjustment
CMOS
Low-level output
LCD35 to LCD0,
COM0 to COM3
Port 1B and LCD segment key source
signal return inputs.
• P1B3 to P1B0
• 4-bit input/output port
21
P1B3/K3
• Input/output set capability as a 4-bit
Inputs with pull-up Input
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unit
resistor
(P1B3 to P1B0)
24
P1B0/K0
• Internal pull-up resistor OFF
• K3 to K0
• Key source signal return inputs
• Internal pull-up resistor ON
IDC (Image Display Controller) character
display signal and blanking signal, and
25
IDC2/P1C3
port 1C outputs.
26
BLK2/P1C2
• IDC2 to IDC0
27
IDC1/P1C1
• Character display signal outputs
28
BLK1/P1C0
• BLK2 to BLK0
CMOS push-pull
Low-level output
IDC2 to IDC0,
BLK2 to BLK0
29
IDC0
• Character dispaly blanking signal
30
BLK0
outputs
• P1C3 to P1C0
• 4-bit CMOS output port
7
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