TDP-643R PLUS BAR CODE PRINTER
SERVICE MANUAL
- 13 -
PE13
O
Pull Up Enable
PE13
STB4 for TPH
PE14
I/O
PE14
RTC I/O
PE15
I
Pull Up Enable
PE15
HEAD SENS
PF0
I
PF0
Vdet for TPH Voltage detect
PF1
I
PF1
TM for TPH temperture
PF2
I
Enable PF2
MEM load & Hardware version
PF3
I
PF3
CT DETECT
PF4
I
PF4
PEEL SENS
PF5
I
PF5
RIBBON SENS
PF6
I
PF6
BM SENS
PF7
I
PF7
GAP SENS
NMI
I
Pull Up
NMI
No use
/RESETP I
Pull Up
Active /RESETP
/RESET
/WDTOVF O
/WDTOVF No use
IRQ0: NO USE
IRQ1: NO USE
IRQ2: Power down
IRQ3: USB_INT
IRQ4: NO USE
IRQ5: NO USE
IRQ6: NO USE
IRQ7: NO USE
Other define
1. System Crystal is 16 MHz.
2. USB Crystal is 48MHz.
3. RTC Crystal 32.768KHz.
4. MCU mode is mode 1.(16-bit space) ( MD0 is high, MD1 is low. )
Clock mode is PLL ON x 4. (MD2 is low, MD3 is High.)
