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7721 Datasheet(PDF) 42 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) 42 Page - Renesas Technology Corp

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CENTRAL PROCESSING UNIT (CPU)
7721 Group User’s Manual
2–19
2.4 Memory assignment
Fig. 2.4.1 Memory assignment
Notes 1: Addresses 216 to 916 are the external memory area.
2: For the M37721S1BFP, fix the internal RAM area select bit to “0.”
3: DBC is an interrupt only for debugging; do not use this interrupt.
Timer A0
L
H
L
H
L
H
L
H
L
H
L
H
L
H
H
L
H
Timer A4
L
H
L
Timer A3
H
Timer A2
L
H
Timer A1
L
H
L
H
L
H
L
H
L
H
L
H
Timer B2
L
H
Timer B1
L
H
Timer B0
L
H
A-D conversion
UART1 transmit
UART1 receive
UART0 transmit
UART0 receive
INT2
INT1
INT0
Watchdog timer
DBC (Note 3)
BRK instruction
zero divide
RESET
00FFD616
00FFD816
00FFDA16
00FFDC16
00FFDE16
00FFE016
00FFE216
00FFE816
00FFEC16
00FFE416
00FFE616
00FFEA16
00FFEE16
00FFF016
00FFF216
00FFF416
00FFF616
00FFF816
00FFFA16
00FFFC16
00FFFE16
Interrupt vector table
L
00007F16
00000016
00008016
FFFFFF16
SFR area (Note 1)
001FC016
00047F16
: The internal memory is not assigned.
L
H
L
H
L
H
L
H
DMA3
DMA2
DMA1
DMA0
00FFCE16
00FFD016
00FFD216
00FFD416
M37721S2BFP
M37721S1BFP
00027F16
Internal RAM
area
(512 bytes)
(512 bytes)
SFR area
001FFF16
00FFCE16
00FFFF16
SFR area (Note 1)
Internal RAM area
(512 bytes) (Note 2)
SFR area
Case of Internal RAM
area select bit = “0”
Case of Internal RAM
area select bit = “1”
SFR area: Refer to “Figure 2.4.2” and “Figure 2.4.3.”



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