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PDF FM8P73B Data sheet ( Hoja de datos )
| Número de pieza | FM8P73B | |
| Descripción | EPROM-Based 8-Bit Microcontroller | |
| Fabricantes | Feeling Technology | |
| Logotipo |  |
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FEELING
TECHNOLOGY
FM8P73B
EPROM-Based 8-Bit Microcontroller with 10 bit ADC
Devices Included in this Data Sheet:
FM8P73BA : 16-pin EPROM device
FM8P73BB : 14-pin EPROM device
FM8P73BC : 18-pin EPROM device with VR pin
FM8P73BD : 16-pin EPROM device with VR pin
FEATURES
Total 11 channel 10bit AD converter with ±2LSB resolution
All instructions are single cycle except for program branches which are two-cycles
14-bit wide instructions
Configurable CPU clock per instruction cycle: Focs/4 and Fosc/2
All EPROM area GOTO instruction
All EPROM area subroutine CALL instruction
8-bit wide data path
6-level deep hardware stack
1K x 14 bits on chip EPROM
27x8 bits on chip special purpose registers and 64 x 8 bits on chip general purpose registers (SRAM)
Operating speed: DC-20 MHz clock input, or DC-100 ns instruction cycle
Direct, indirect addressing modes for data accessing
Three real time down-count Timer with 3-bit programmable prescaler
- TMR1: 8-bit, PWM1(Period) & Timer
- TMR2: 8-bit, PWM1(Duty) & Timer
- TMR3: 8-bit Timer
Built-in 3 levels Low Voltage Detector (LVDT) for Brown-out Reset (BOR)
Power-up Reset Timer (PWRT)
On chip Watchdog Timer (WDT) with internal oscillator for reliable operation.
Two I/O ports IOA, and IOB with independent direction control
- 13 Bi-direction I/O port (Programmable Pull-up enable in Input mode)
- One Input only port (IOB3/RSTB)
Four kinds of interrupt source: 3 Timers, 8 external interrupt sources: IOB0~IOB7, Internal watchdog timer
(i_WDT) wakeup, and A/D end of conversion
Wake-up from SLEEP:
- Port B (IOB0~IOB7) pin change wakeup
- WDT overflow
- i_WDT overflow
Power saving SLEEP mode
Programmable Code Protection
Selectable oscillator options:
- ERC: External Resistor/ Voltage Controlled Oscillator
- XT: Crystal/Resonator Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
- IRC: Internal Resistor/Capacitor Oscillator
Wide-operating voltage range:
- EPROM : 2.2V to 5.5V
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 Nov 20, 2013
P.1/FM8P73B
1 page  
FEELING
TECHNOLOGY
1.0 MEMORY ORGANIZATION
FM8P73B
FM8P73B memory is organized into program memory and data memory.
1.1 Program Memory Organization
The FM8P73B has a 10-bit Program Counter capable of addressing a 1K×14 program memory space.
The RESET vector for the FM8P73B is at 3FFh.
The H/W interrupt vector is at 3FEh.
User can use “CALL/GOTO” instructions to program user's code within entire program area.
Figure 1.1: Program Memory Map and STACK
PC<9:0>
Stack 1
Stack 2
Stack 3
Stack 4
Stack 5
Stack 6
3FFh Reset Vector
3FEh H/W Interrupt Vector
:
:
000h
FM8P73B
Web site: http://www.feeling-tech.com.tw
Rev1.0 Nov 20, 2013
P.5/FM8P73B
5 Page 
FEELING
TECHNOLOGY
2.1.4 FSR (Indirect Data Memory Address Pointer)
FM8P73B
Address
Name
B7
B6
B5
B4
B3
B2
B1
B0
04h (r/w)
FSR
0
Indirect data memory address pointer
Bit6:Bit0 : Select registers address in the indirect addressing mode. See 2.1.1 for detail description.
Bit7 : Not used. Read as 0.
2.1.5 PORTA, PORTB, IOSTA and IOSTB (Port Data Registers and Port Direction Control Registers)
Address
Name
B7
B6
05h (r/w)
IOSTA
-
-
06h (r/w) PORTA
-
-
07h (r/w) IOSTB IOSTB7 IOSTB6
08h (r/w) PORTB
IOB7
IOB6
Legend: - = unimplemented, read as ‘0’.
B5
IOSTA5
IOA5
IOSTB5
IOB5
B4
IOSTA4
IOA4
IOSTB4
IOB4
B3
IOSTA3
IOA3
-
IOB3
B2
IOSTA2
IOA2
IOSTB2
IOB2
B1
IOSTA1
IOA1
IOSTB1
IOB1
B0
IOSTA0
IOA0
IOSTB0
IOB0
The registers (IOSTA and IOSTB) are used to define the input or output of each port.
= 1, Input.
= 0, Output.
Reading the port (PORTA and PORTB register) reads the status of the pins independent of the pin’s input/output
modes. Writing to these ports will write to the port data latch. Please refer to 2.2 for detail I/O Port description.
Note: IOB3 is read only.
Web site: http://www.feeling-tech.com.tw
Rev1.0 Nov 20, 2013
P.11/FM8P73B
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet FM8P73B.PDF ] | |
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