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7905 Datasheet(PDF) 39 Page - Renesas Technology Corp

Part # 7905
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  565 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7905 Datasheet(HTML) 39 Page - Renesas Technology Corp

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7905 Group User’s Manual Rev.1.0
2-16
CENTRAL PROCESSING UNIT (CPU)
2.4 Memory assignment
UART2 transmit
Timer A7
Timer A8
UART2 receive
Timer A9
Timer A6
Reserved area
Timer B2
Watchdog timer
Reserved area
INT0
INT1
INT2
Timer A0
Timer A1
Timer A2
Timer A3
Timer A4
Timer B0
Timer B1
Notes 1: These are interrupts only for debugging; do not use these interrupts.
2: Memory assignment of the internal area varies according to the product type. Refer to section
“Appendix 11. Memory assignment of 7905 Group” or the latest datasheets, catalogues.
: The internal memory is not assigned.
RESET
Zero divide
L
H
FFFA16
FFFC16
FFFE16
Interrupt vector table
FF16
016
FFFF16
FFB416
Internal RAM area
→ See Figures 2.4.2
and 2.4.3.
Internal ROM area
SFR area
L
H
L
H
BRK instruction (Note 1)
FFF816
L
H
DBC (Note 1)
FFF616
L
H
FFF416
L
H
FFF216
L
H
FFF016
L
H
FFEE16
L
H
FFEC16
L
H
FFEA16
L
H
FFE816
L
H
FFE616
L
H
FFE416
L
H
FFE216
L
H
FFE016
L
H
FFDE16
L
H
FFDC16
L
H
UART0 receive
FFDA16
L
H
UART0 transmit
FFD816
L
H
UART1 receive
FFD616
L
H
UART1 transmit
FFD416
L
H
A-D conversion
FFD216
L
H
INT3
FFD016
L
H
INT4
FFCE16
L
H
Reserved area
FFCC16
L
H
Reserved area
FFCA16
L
H
Address matching detection
FFC816
L
FFC616
L
H
FFC416
L
H
FFC216
L
H
FFC016
L
H
Timer A5
H
FFB616
FFBE16
FFB416
FFB816
FFBC16
FFBA16
INT7
INT6
INT5
L
H
L
H
L
H
L
H
L
H
L
H
Fig. 2.4.1 Memory assignment in internal area



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