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HD404829FS
Hitachi MCU



Pins marked with bold is alternativ function for the MCU.

PinI/OSymbolFunctionPresident George
1NUMONon-user pin. Do not connect it to any linesNot connected
2NUMGNon-user pin. Connect it to GNDNot connected
3AVccPower pin for A/D converter+ 5 Volt
4IAN0Analog input pin for A/D converterNot connected
5IAN1Analog input pin for A/D converterMeter level input (RF/SWR/S/MOD)
6IAN2Analog input pin for A/D converterChannel UP/DOWN from Mic.
7IAN3Analog input pin for A/D converterNot connected
8IAVssGround pin for A/D converter0 Volt
9ITESTUsed for factory testing only. Connect this pin to Vcc
10IOSC 1Input pin for the internal oscillator circuit
11OOSC 2Output pin for the internal oscillator circuit
12IRESETReset the MCU
13IX1Used for a 32.768 kHz crystal for clock purposesNot connected
14OX2Used for a 32.768 kHz crystal for clock purposesNot connected
15GNDConnected to ground0 Volt
16I/OD0Input/output pin adressed by individual bits.TX/RX switch in
17I/OD1Input/output pin adressed by individual bits.Not connected
18I/OD2Input/output pin adressed by individual bits.Not connected
19I/OD3Input/output pin adressed by individual bits.Not connected
20I/OD4Input/output pin adressed by individual bits.Not connected
21I/OD5Input/output pin adressed by individual bits.Not connected
22I/OD6Input/output pin adressed by individual bits.Keyboard strobe input
23I/OD7Input/output pin adressed by individual bits.Keyboard strobe input
24I/OD8Input/output pin adressed by individual bits.Keyboard strobe input
25I/OD9Input/output pin adressed by individual bits.Keyboard strobe input
26ID10Input pin adressed by individual bits.Mode SW: 1=Defalt 0=CEPT
26ISTOPCInput pin for transition from stop mode to active mode
27ID11Input pin adressed by individual bits.Stop
27IINT0Input pin for external interrupts
28I/OR0-0Input/output pin adressable by individual bitsMode select: 0=Defalt 1=Allways Internationell
28IINT1Input pin for external interrupts
29I/OR0-1Input/output pin adressable by individual bitsChannel UP from rotary knob
29IINT2Input pin for external interrupts
30I/OR0-2Input/output pin adressable by individual bitsChannel DOWN from rotary knob
30IINT3Input pin for external interrupts
31I/OR0-3Input/output pin adressable by individual bits
31IINT4Input pin for external interrupts
32I/OR1-0Input/output pin adressable by individual bitsBEEP output
32OTOBTimer output pin
33I/OR1-1Input/output pin adressable by individual bitsGREEN lamp
33OTOCTimer output pin
34I/OR1-2Input/output pin adressable by individual bitsORANGE lamp
34OTODTimer output pin
35I/OR1-3Input/output pin adressable by individual bitsNot connected
35IEVNBEvent count input pinNot connected
36I/OR2-0Input/output pin adressable by individual bitsSerial data output to EEPROM
36IEVNDEvent count input pin
37I/OR2-1Input/output pin adressable by individual bitsSerial data input from EEPROM
37I/OSCKSerial interface clock input/output pin
38I/OR2-2Input/output pin adressable by individual bitsChip select to EEPROM
38ISISerial interface receive data input pin
39I/OR2-3Input/output pin adressable by individual bitsClock to EEPROM
39OSOSerial interface transmit data output pin
40I/OR3-0Input/output pin adressable by individual bits
41I/OR3-1Input/output pin adressable by individual bitsKeyboard strobe output
42I/OR3-2Input/output pin adressable by individual bitsKeyboard strobe output
43I/OR3-3Input/output pin adressable by individual bitsKeyboard strobe output
44I/OR4-0Input/output pin adressable by individual bitsKeyboard strobe output
45I/OR4-1Input/output pin adressable by individual bits
46I/OR4-2Input/output pin adressable by individual bitsNot connected
47I/OR4-3Input/output pin adressable by individual bitsNot connected
48I/OR5-0Input/output pin adressable by individual bitsClock to PLL
49I/OR5-1Input/output pin adressable by individual bitsData to PLL
50I/OR5-2Input/output pin adressable by individual bitsChip select to PLL
51I/OR5-3Input/output pin adressable by individual bitsTX/RX output to analogboard
52I/OR6-0Input/output pin adressable by individual bitsSqelsch input
53I/OR6-1Input/output pin adressable by individual bitsPOWER switch (ON/OFF)
54I/OR6-2Input/output pin adressable by individual bitsHigh/Low power output
55I/OR6-3Input/output pin adressable by individual bitsNot connected
56OSEGSegment signal pin for LCDNot connected
57OSEGSegment signal pin for LCDNot connected
58OSEGSegment signal pin for LCDNot connected
59OSEGSegment signal pin for LCDSeg. 1
60OSEGSegment signal pin for LCDSeg. 2
61OSEGSegment signal pin for LCDSeg. 3
62OSEGSegment signal pin for LCDSeg. 4
63OSEGSegment signal pin for LCDSeg. 5
64OSEGSegment signal pin for LCDSeg. 6
65OSEGSegment signal pin for LCDSeg. 7
66OSEGSegment signal pin for LCDSeg. 8
67OSEGSegment signal pin for LCDSeg. 9
68OSEGSegment signal pin for LCDSeg. 10
69OSEGSegment signal pin for LCDSeg. 11
70OSEGSegment signal pin for LCDSeg. 12
71OSEGSegment signal pin for LCDSeg. 13
72OSEGSegment signal pin for LCDSeg. 14
73OSEGSegment signal pin for LCDSeg. 15
74OSEGSegment signal pin for LCDSeg. 16
75OSEGSegment signal pin for LCDSeg. 17
76OSEGSegment signal pin for LCDSeg. 18
77OSEGSegment signal pin for LCDSeg. 19
78OSEGSegment signal pin for LCDSeg. 20
79OSEGSegment signal pin for LCDSeg. 21
80OSEGSegment signal pin for LCDSeg. 22
81OSEGSegment signal pin for LCDSeg. 23
82OSEGSegment signal pin for LCDSeg. 24
83OSEGSegment signal pin for LCDSeg. 25
84OSEGSegment signal pin for LCDSeg. 26
85OSEGSegment signal pin for LCDSeg. 27
86OSEGSegment signal pin for LCDSeg. 28
87OSEGSegment signal pin for LCDSeg. 29
88OSEGSegment signal pin for LCDSeg. 30
89OSEGSegment signal pin for LCDSeg. 31
90OSEGSegment signal pin for LCDSeg. 32
91OSEGSegment signal pin for LCDSeg. 33
92OCOM1Common signal pin for LCDCom.1
93OCOM2Common signal pin for LCDCom. 2
94OCOM3Common signal pin for LCDCom. 3
95OCOM4Common signal pin for LCDNot connected
96V1Power pin for LCD driver.
97V2Power pin for LCD driver.Not connected
98V3Power pin for LCD driver.Not connected
99VccApplies power voltage+ 5 Volt
100NUMONon-user pin. Do not connect it to any linesNot connected


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