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PDF TM57PA40 Data sheet ( Hoja de datos )
| Número de pieza | TM57PA40 | |
| Descripción | 8-Bit Micro-Controller User Manual | |
| Fabricantes | tenx technology | |
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Information
TM57PA40
8 Bit Microcontroller
User Manual
Tenx reserves the right to change or
discontinue this product without notice.
tenx technology inc.
Preliminary
Downloaded from DatasheetLib.com - datasheet search engine
tenx technology, inc.
Rev 1.0, 2009/04/17
1 page  
Advance Information
UM-TM57PA40
8 Bit Microcontroller
PIN ASSIGNMENT
VSS 1
U 20 VDD
Xrc/Xin/PA4 2
19 PA6/ADC0/INT0
Xout/PA3 3
18 PA1/ADC1/INT1
VPP/nRESET/INT2/PA7 4
17 PA2/ADC2/T0I
T1OUT/PD0 5 TM57PA40 16 PB1/ADC3
BUZZER/PD1 6
20 SOP 15 PD7/ADC4
PD2 7
20 DIP 14 PA5/ADC5
PD3 8 20 SSOP 13 PA0/ADC6/PWM0
PD4 9
12 PB0/ADC7/PWM1
PD5 10
11 PD6/TCOUT
VSS
Xrc/Xin/PA4
Xout/PA3
VPP/nRESET/ INT2/PA7
T1OUT/PD0
BUZZER/PD1
PD2
PD3
1
2
3
4
5
6
7
8
U 16 VDD
15 PA6/ADC0/INT0
TM57PA40 14 PA1/ADC1/INT1
16 SOP 13 PA2/ADC2/T0I
16 DIP 12 PB1/ADC3
16 SSOP 11 PD7/ADC4
10 PA5/ADC5
9 PA0/ADC6/PWM0
PIN DESCRIPTION
Name
PA2–PA0
PA6-PA3
PB1-PB0
PD7-PD0
PA7
nRESET
Xin, Xout
Xrc
VDD, VSS
VPP
INT0~2
T0I
T1OUT
BUZZER
TCOUT
PWM0/PWM1
ADC7~0
In/Out
Pin Description
I/O
Bit-programmable I/O port for Schmitt-trigger input, CMOS “push-pull” output or
“pseudo-open-drain” output. Pull-up resistors are assignable by software.
I/O
Bit-programmable I/O port for Schmitt-trigger input, CMOS “push-pull” output or
“open-drain” output. Pull-up resistors are assignable by software.
I Schmitt-trigger input
I External active low reset
– Crystal/Resonator oscillator connection for system clock.
External RC oscillator connection for system clock
P Power input pin and ground
I PROM programming high voltage input
I External interrupt input
I Timer0’s input in counter mode
O Timer1 match output, T1OUT toggles when Timer1 overflow occurs
O BUZZER output
O
Instruction cycle clock divided by N output. Where N is 1,2,4,8. The instruction
clock frequency is system clock frequency divided by two.
O 10-bit PWM output
I A/D converter input
Preliminary
4 tenx technology, inc.
Rev 1.0, 2009/04/17
Downloaded from DatasheetLib.com - datasheet search engine
5 Page 
Advance Information
UM-TM57PA40
8 Bit Microcontroller
3. Peripheral Functional Block
3.1 Watchdog(WDT) / Wakeup(WKT) Timer
The WDT and WKT share the same internal RC Timer. The overflow period of WDT/WKT can be selected
from 13mS to 140mS. The WDT/WKT is cleared by the CLRWDT instruction. If the Watchdog Reset is
enabled (WDTE=1), the WDT generates the chip reset signal, otherwise, the WKT only generates
overflow time out interrupt. The WDT/WKT works in both normal mode and sleep mode. If WDTE=0 and
WKTIE=0 (Wakeup interrupt disable), the internal RC Timer stops for power saving.
3.2 Timer0: 8-bit Timer/Counter with Pre-scale (PSC)
The Timer0 is an 8-bit wide register of F-Plane. It can be read or written as any other register of F-Plane.
Besides, Timer0 increases itself periodically and automatic roll over base on the pre-scaled clock source,
which can be the instruction cycle or T0I input. The Timer0 increase rate is determined by “Timer0 Pre-
Scale” (TM0PSC) register in R-Plane. The Timer0 can generate interrupt (TM0I) when it rolls over.
Preliminary
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10
tenx technology, inc.
Rev 1.0, 2009/04/17
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TM57PA40.PDF ] | |
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