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7643 Datasheet(PDF) 141 Page - Renesas Technology Corp

Part # 7643
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  424 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 141 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 20 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.2 Timer
Fig. 2.2.13 Relevant registers setting
ICONB
T13F16
b0
b7
b0
b7
T123M
b0
b7
00 0
1
0
CPMA
b0
b7
00
1
0
CPU mode register A (address 0016)
Processor mode bits
Stack page select bit
Main clock (XIN-XOUT): Oscillating
External clock: XIN-XOUT
Set “division ratio – 1” = 63 (3F16)
Interrupt control register B (address 0616)
Timer 123 mode register (address 2916)
TOUT factor: Timer 1
Timer 1: stop
Timer 1 count source:
φ / 8
TOUT output active edge: start at “H” output
TOUT output : enabled
Timers 1, 2 write control: write value in latch and counter
Timer 1 (address 2416)
Timer 1 interrupt: Disabled
CCR
b0
b7
1
Clock control register (address 1F16)
System clock: f(XIN)
0 000
0
P5
0116
b0
b7
Port P5 (address 1616)
Set an initial value.
P5D
b0
b7
1
Port P5 direction register (address 1716)
Set to output mode.
0
0
00 000



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