Philips AX3200 Service Manual page 13

MN101C39C-399 - MICROCOMPUTER
BLOCK DIAGRAM
TXD,SBO0,P00
RXD,SBI0,P01
SBT0,P02
SBO1,P03
SBI1,P04
SBT1,P05
NDK,BUZZER,P06
RMOUT,P10
P11
TM2IO,P12
TM3IO,P13
TM4IO,P14
IRQ0,P20
ACZ,IRQ1,P21
IRQ2,P22
IRQ3,P23
NRST,P27
KEY0,P40
KEY1,P41
KEY2,P42
KEY3,P43
KEY4,P44
KEY5,P45
KEY6,P46
KEY7,P47
Sub-clock
System clock
oscillator oscillator
ROM
24/48 KB
8-bit Timer 2
8-bit Timer 3
16-bit Timer 4
A/D converter
Port A
3 - 3
Port 5
CPU
MN101C
RAM
1/2 KB
External Interrupt
Serial Interface 0
Serial Interface 1
Time Base Timer 5
Watch Dog Timer
L C D
P60,A0,SEG25
P61,A1,SEG24
P62,A2,SEG23
P63,A3,SEG22
P64,A4,SEG21
P65,A5,SEG20
P66,A6,SEG19
P67,A7,SEG18
P70,SDO0,A8,SEG17
P71,SDO1,A9,SEG16
P72,SDO2,A10,SEG15
P73,SDO3,A11,SEG14
P74,SDO4,A12,SEG13
P75,SDO5,A13,SEG12
P76,SDO6,A14,SEG11
P77,SDO7,A15,SEG10
P80,D0,SEG2
P81,D1,SEG3
P82,D2,SEG4
P83,D3,SEG5
P84,D4,SEG6
P85,D5,SEG7
P86,D6,SEG8
P87,D7,SEG9