COP8SAA728N9 National Semiconductor, COP8SAA728N9 Datasheet - Page 39

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COP8SAA728N9

Manufacturer Part Number
COP8SAA728N9
Description
IC MCU OTP 8BIT 1K 28DIP
Manufacturer
National Semiconductor
Series
COP8™ 8SAr
Datasheet

Specifications of COP8SAA728N9

Core Processor
COP8
Core Size
8-Bit
Speed
10MHz
Connectivity
Microwire/Plus (SPI)
Peripherals
POR, PWM, WDT
Number Of I /o
24
Program Memory Size
1KB (1K x 8)
Program Memory Type
OTP
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
*COP8SAA728N9
COP8SAA728N9B
12.0 Memory Map
All RAM, ports and registers (except A and PC) are mapped into data memory address space.
RAM
Select
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.
Address
ADD REG
02 to 2F
On-Chip RAM (48 Bytes)
30 to 7F
Unused RAM (Reads as all ones)
00 to 6F
On-Chip RAM (112 Bytes)
70 to 7F
Unused RAM (Reads as all ones)
80 to 93
Reserved
94
Port F Data Register
95
Port F Configuration Register
96
Port F Input Pins (Read Only)
97
Reserved
A0 to C6
Reserved
C7
WATCHDOG Service Register (Reg: WDSVR)
C8
MIWU Edge Select Register (Reg: WKEDG)
C9
MIWU Enable Register (Reg: WKEN)
CA
MIWU Pending Register (Reg: WKPND)
CB to CF
Reserved
D0
Port L Data Register
D1
Port L Configuration Register
D2
Port L Input Pins (Read Only)
D3
Reserved
D4
Port G Data Register
D5
Port G Configuration Register
D6
Port G Input Pins (Read Only)
D7
Reserved
D8
Port C Data Register
D9
Port C Configuration Register
DA
Port C Input Pins (Read Only)
DB
Reserved
DC
Port D
DD to DF
Reserved
E0 to E5
Reserved
E6
Timer T1 Autoload Register T1RB Lower Byte
E7
Timer T1 Autoload Register T1RB Upper Byte
E8
ICNTRL Register
E9
MICROWIRE/PLUS Shift Register
EA
Timer T1 Lower Byte
EB
Timer T1 Upper Byte
EC
Timer T1 Autoload Register T1RA Lower Byte
ED
Timer T1 Autoload Register T1RA Upper Byte
EE
CNTRL Control Register
EF
PSW Register
F0 to FB
On-Chip RAM Mapped as Registers
FC
X Register
FD
SP Register
FE
B Register
FF
Reserved (Segment Register)
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