FM8PB56B Datasheet PDF - Feeling Technology
| Part Number | FM8PB56B | |
| Description | OTP-Based 8-Bit Microcontroller | |
| Manufacturers | Feeling Technology | |
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FEELING
TECHNOLOGY
FM8PB56B
OTP-Based 8-Bit Microcontroller
Devices Included in this Data Sheet:
FM8PB56B : OTP device
FEATURES
Only 42 single word instructions
All instructions are single cycle except for program branches which are two-cycle
13-bit wide instructions
All OTP area GOTO instruction
All OTP area subroutine CALL instruction
8-bit wide data path
5-level deep hardware stack
Operating speed: DC-20 MHz clock input
DC-100 ns instruction cycle
Device
Pins # I/O #
OTP (Byte)
RAM (Byte)
FM8PB56B
18 16
1K
49
Direct, indirect addressing modes for data accessing
8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler
Internal Power-on Reset (POR)
Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)
Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)
On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog
enable/disable control
Two I/O ports IOA and IOB with independent direction control
Soft-ware I/O pull-high/pull-down or open-drain control
One internal interrupt source: Timer0 overflow; Two external interrupt source: INT pin, Port B input change
Wake-up from SLEEP by INT pin or Port B input change
Power saving SLEEP mode
Built-in 8 MHz, 4 MHz, 1 MHz, and 455 KHz internal RC oscillator
Programmable Code Protection
Selectable oscillator options:
- ERC: External Resistor/Capacitor Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- XT: Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
- IRC: Internal Resistor/Capacitor Oscillator
- ERIC: External Resistor/Internal Capacitor Oscillator
Operating voltage range: 2.0V to 5.5V
- ≤4MHz: 2.0V to 5.5V
- ≤8MHz: 2.4V to 5.5V, see 6.1 for more information.
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Web site: http://www.feeling-tech.com.tw
Rev1.0.004 Aug 21, 2014
P.1/FM8PB56B
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FEELING
TECHNOLOGY
FM8PB56B
1.2 Data Memory Organization
Data memory is composed of Special Function Registers and General Purpose Registers.
The General Purpose Registers are accessed either directly or indirectly through the FSR register.
The Special Function Registers are registers used by the CPU and peripheral functions to control the operation of
the device.
Table 1.1: Registers File Map for FM8PB56B
Address
Description
00h INDF
01h TMR0
02h PCL
03h STATUS
04h FSR
05h PORTA
06h PORTB
07h General Purpose Register
08h PCON
09h WUCON
0Ah PCHBUF
0Bh PDCON
0Ch ODCON
0Dh PHCON
0Eh INTEN
0Fh INTFLAG
10h ~ 3Fh
General Purpose Registers
N/A OPTION
05h IOSTA
06h IOSTB
Table 1.2: The Registers Controlled by OPTION or IOST Instructions
Address
Name
B7
B6
B5
B4
B3
B2
B1
B0
N/A (w) OPTION
-
INTEDG T0CS T0SE
PSA
PS2
PS1
PS0
05h (w)
IOSTA
Port A I/O Control Register
06h (w)
IOSTB
Port B I/O Control Register
Table 1.3: Operational Registers Map
Address
Name
B7
B6
B5
B4
B3
B2
B1
B0
00h (r/w)
INDF
Uses contents of FSR to address data memory (not a physical register)
01h (r/w)
TMR0
8-bit real-time clock/counter
02h (r/w)
PCL
Low order 8 bits of PC
03h (r/w) STATUS
GP2
GP1
GP0
T̅̅O̅̅
P̅̅̅D̅
Z
DC
C
04h (r/w)
FSR
*
*
Indirect data memory address pointer
05h (r/w) PORTA
IOA7
IOA6
IOA5
IOA4
IOA3
IOA2
IOA1
IOA0
06h (r/w) PORTB
IOB7
IOB6
IOB5
IOB4
IOB3
IOB2
IOB1
IOB0
07h (r/w)
SRAM
General Purpose Register
08h (r/w) PCON WDTE EIS LVDTE ROC
-
-
-
-
09h (r/w) WUCON WUB7 WUB6 WUB5 WUB4 WUB3 WUB2 WUB1 WUB0
0Ah (r/w) PCHBUF
-
-
-
-
-
- 2 MSBs Buffer of PC
0Bh (r/w) PDCON /PDB3 /PDB2 /PDB1 /PDB0 /PDA3 /PDA2 /PDA1 /PDA0
0Ch (r/w) ODCON ODB7 ODB6 ODB5 ODB4 ODB3 ODB2 ODB1 ODB0
0Dh (r/w) PHCON /PHB7 /PHB6 /PHB5 /PHB4 /PHB3 /PHB2 /PHB1 /PHB0
0Eh (r/w) INTEN
GIE
-
-
-
-
INTIE PBIE
T0IE
0Fh (r/w) INTFLAG
-
-
-
-
-
INTIF
PBIF
T0IF
Legend: - = unimplemented, read as ‘0’, * = unimplemented, read as ‘1’,
Web site: http://www.feeling-tech.com.tw
Rev1.00.004 Aug 21, 2014
P.5/FM8PB56B
Preview 5 Page |
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| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ FM8PB56B.PDF Datasheet ] | |
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