CTM8B54E Datasheet, PDF (3/23 Pages) Ceramate Technical – EPROM-Based 8-Bit COMS Microcontroller

3.0 FUNCTIONAL DESCRIPTIONS
CTM8B54E/55E/56E/57E
EPROM-Based 8-Bit CMOS Microcontroller
3.1 REGISTER MAP
The register map of CTM8B5X is depicted as below:.
The Register Map of CTM8B54E/56E
Address
Description
00h Indirect Addressing Register
01h Timer0
02h PC
03h STATUS
04h FSR
05h PORTA
06h PORTB
07h-1Fh General Purpose Register
The Register Map of CTM8B55E
Address
Description
00h
Indirect Addressing Register
01h
Timer0
02h
PC
03h
STATUS
04h
FSR
05h
PORTA
06h
PORTB
07h
PORTC
08h-1Fh General Purpose Register
The Register Map of CTM8B57E
Address
Description
FSR<6:5>
Bank 0
00
Bank 1
01
Bank 2
10
Bank 3
11
00h
Indirect Address-
ing Register
01h
Timer0
02h
PC
03h
STATUS
04h
FSR
05h
PORTA
Map back to address in Bank 0
06h
PORTB
07h
PORTC
General Purpose
08h~0Fh
Register
10h~1Fh
General Purpose
Register
30h~3Fh
General Purpose
Register
50h~5Fh
General Purpose
Register
70h~7Fh
General Purpose
Register
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN, R.O.C
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Rev 1.1 Dec 26,2001