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7721 Datasheet(PDF) 444 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 444 Page - Renesas Technology Corp

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APPLICATION
7721 Group User’s Manual
16–41
16.1 Memory connection
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
M66010FP
TxD0
RxD0
CLK0
P44
P45
RTS0
A0–A7
A8/D8–A15/D15
A16/D0–A23/D7
ALE
E
1
R/W
BHE
BLE
M37721
DI
DO
CLK
CS
S
Vcc
GND
BYTE
25 MHz
Open
XIN
XOUT
Expanded input ports
Circuit conditions: •UART0 used in clock synchronous serial I/O mode
•Internal clock selected
•Frequency of transfer clock =
f2
2 (3 + 1)
= 1.5625 MHz
Fig. 16.1.36 Example of port expansion circuit using M66010FP



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