COP8SAC720M8 National Semiconductor, COP8SAC720M8 Datasheet - Page 39

• Manufacturer Part Number: COP8SAC720M8
• Description: -LIFETIME BUYS TIL 06/05
• Manufacturer: National Semiconductor

Specifications of COP8SAC720M8

• Rohs Compliant: NO

64 On-Chip RAM Bytes.
(COP8SAAx)
128 On-Chip RAM Bytes
(COP8SABx/SACx)
Reading any undefined memory location in the address range of 0080H–00FFH will return undefined data.
12.0 Memory Map
All RAM, ports and registers (except A and PC) are mapped into data memory address space.
Select
RAM
ADD REG
DD to DF
CB to CF
Address
A0 to C6
E0 to E5
F0 to FB
02 to 2F
30 to 7F
00 to 6F
70 to 7F
80 to 93
CA
DA
DB
DC
EA
EB
EC
ED
EE
FC
FD
C7
C8
C9
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
E6
E7
E8
E9
EF
FE
FF
94
95
96
97
39
On-Chip RAM (48 Bytes)
Unused RAM (Reads as all ones)
On-Chip RAM (112 Bytes)
Unused RAM (Reads as all ones)
Reserved
Port F Data Register
Port F Configuration Register
Port F Input Pins (Read Only)
Reserved
Reserved
WATCHDOG Service Register (Reg: WDSVR)
MIWU Edge Select Register (Reg: WKEDG)
MIWU Enable Register (Reg: WKEN)
MIWU Pending Register (Reg: WKPND)
Reserved
Port L Data Register
Port L Configuration Register
Port L Input Pins (Read Only)
Reserved
Port G Data Register
Port G Configuration Register
Port G Input Pins (Read Only)
Reserved
Port C Data Register
Port C Configuration Register
Port C Input Pins (Read Only)
Reserved
Port D
Reserved
Reserved
Timer T1 Autoload Register T1RB Lower Byte
Timer T1 Autoload Register T1RB Upper Byte
ICNTRL Register
MICROWIRE/PLUS Shift Register
Timer T1 Lower Byte
Timer T1 Upper Byte
Timer T1 Autoload Register T1RA Lower Byte
Timer T1 Autoload Register T1RA Upper Byte
CNTRL Control Register
PSW Register
On-Chip RAM Mapped as Registers
X Register
SP Register
B Register
Reserved (Segment Register)
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