UPD17P228 Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD17P228
NEC => Renesas Technology
UPD17P228 Datasheet PDF : 28 Pages
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(2) PROM programming mode
D2
1
D3
2
VPP
3
4
5
(L)
6
7
(Open)
8
VDD
9
(Open)
10
CLK
11
GND
12
(L)
13
(Open)
14
(Open)
15
µPD17P228
30
(Open)
29
D1
28
D0
27
D7
26
D6
25
D5
24
D4
23
MD3
22
MD2
21
MD1
20
MD0
19
18
(L)
17
16
Caution Contents in parantheses indicate how to handle unused pins in PROM programming mode.
L :Connect to GND via a resistor (470 Ω) separately.
OPEN:Leave unconnected.
CLK
: Clock input for PROM
D0 - D7
: Data input/output for PROM
GND
: Ground
MD0 - MD3 : Mode select input for PROM
VDD
: Power supply
VPP
: Power supply for PROM writing
Data Sheet U14542EJ1V0DS00
3
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