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H8/3003 Datasheet(PDF) 23 Page - Renesas Technology Corp

Part # H8/3003
Description  microcontroller (MCU)
PDF  715 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3003 Datasheet(HTML) 23 Page - Renesas Technology Corp

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1.2 Block Diagram
Figure 1-1 shows an internal block diagram.
Figure 1-1 Block Diagram
Data bus
Port 4
P5 /A
P5 /A
P5 /A
P5 /A
7
6
5
4
23
22
21
20
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P9 /SCK /IRQ
P9 /SCK /IRQ
P9 /RxD
P9 /RxD
P9 /TxD
P9 /TxD
5
4
3
2
1
0
1
0
1
0
1
0
5
4
Port 7
Port A
PC /IRQ
PC /IRQ
PC /DREQ /CS
PC /TEND /CS
PC /DREQ /CS
PC /TEND /CS
PC
PC
7
6
7
6
7
6
5
4
1
0
3
3
2
2
5
4
3
2
Port B
P8 /CS
P8 /CS /IRQ
P8 /CS /IRQ
P8 /CS /IRQ
P8 /RFSH/IRQ
40
3
2
1
0
1
2
3
3
2
1
0
P6 /BACK
P6 /BREQ
P6 /WAIT
2
1
0
MD
MD
MD
EXTAL
XTAL
ø
STBY
RES
RESO
NMI
AS
RD
HWR
LWR
2
1
0
H8/300H CPU
Clock
osc.
Interrupt controller
RAM
512 bytes
16-bit
integrated
timer unit
(ITU)
Programmable
timing pattern
controller (TPC)
DMA controller
(DMAC)
Serial communication
interface
(SCI)
2 channels
×
A/D converter
Watchdog timer
(WDT)
Refresh
controller
5



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