Sanyo DC-DA3300M Service Manual page 17

IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC877464C-54J1-E (Single Chip Micro Computer)
V2/PL5/AN13
V1/PL4/AN12
P30/INT4/T1IN
P31/INT4/T1IN
P32/INT4/T1IN
P33/INT4/T1IN
P34/INT5/T1IN
P35/INT5/T1IN
VSS1
VSS2 - -Terminal Power Supply
VSS3
VDD1
+Terminal Power Supply
VDD2 -
VDD3
Port 0 *8 Bit Input/Output Port
*It's possible to specify Input/Output of 4 Bit.
*Pull-up Resistor 4 Bitwise. It's possible to ON/OFF.
I/O
P00~P07
*HOLD Release Input
*Port 0 Interrupt Input
Port 1
*8 Bit Input/Output Port
*It's possible to specify Input/Output of 1Bit.
*Pull-up Resistor 1Bitwise. It's possible to ON/OFF.
*Terminal Functions
P10 : SI00 Data Output
P11 : SI00 Data Input/Bass Input and Output
P10~P17 I/O
P12 : SI00 Clock Input/Output
P13 : SI01 Data Output
P14 : SI01 Data Input/Bass Input and Output
P15 : SI01 Clock Input/Output
P16 : Timer 1PWML Output
P17 : Timer 1PWMH Output / Buzzer Output
Port 3
*6 Bit Input/Output Port
*It's possible to specify Input/Output of 1Bit.
*Pull-up Resistor 1Bitwise. It's possible to ON/OFF.
*Terminal Functions
P30~33 : INT4 Input / HOLD Release Input / Timer 1Event Input
/ Timer 0L Capture Input / Timer 0H Capture Input
P34~35 : INT5 Input / HOLD Release Input / Timer 1Event Input
P30~P35 I/O
/ Timer 0L Capture Input / Timer 0H Capture Input
Interrupt Accepting System
INT4
INT5
Port 7
*4Bit Input/Output Port
*It's possible to specify Input/Output of 1Bit.
*Pull-up Resistor 1Bitwise It's possible to ON/OFF.
*Terminal Functions
P70 : INT0 Input / HOLD Release Input/Timer 0L Capture Input
/ Output for Watchdog Timer
P71 : INT1 Input/HOLD Release Input / Timer 0H Capture Input
P72 : INT2 Input/HOLD Release Input / Timer 0 Event Input /
Timer 0L Capture Input
P70~P73 I/O
P73 : INT3 Input(Input with Noise Filter) / Timer 0 EventInput /
Timer 0H Capture Input
AN8(P70),AN9(P71) : AD Conversion Input Port
Interrupt Accepting System
INT0
INT1
INT2
INT3
81
82
COM0/PL0 83
COM1/PL1 84
COM2/PL2 85
COM3/PL3 86
87
88
VSS3 89
VDD3 90
91
92
93
94
P00 95
P01 96
P02 97
P03 98
P04 99
P05 100
Port 8
*8 Bit Input/Output Port
*It's possible to specify Input/Output of 1Bit.
*Other Function
P80~P87 I/O
AN0(P80)~AN2(P82) : AD Conversion Input Port
MICIN(P87) : Small Signal Detection Input Port
S0/PA0~
*Segment Output for LCD Display
I/O
S7/PA7
*It's possible to use General-purpose Input/Output Port(PA)
S8/PB0~
*Segment Output for LCD Display
S15/PB7 I/O
*It's possible to use General-purpose Input/Output Port(PB)
S16/PC0~
*Segment Output for LCD Display
S23/PC7 I/O
*It's possible to use General-purpose Input/Output Port(PC)
S24/PD0~
*Segment Output for LCD Display
S31/PD7 I/O
*It's possible to use General-purpose Input/Output Port(PD)
S32/PE0~
*Segment Output for LCD Display
S39/PE7 I/O
*It's possible to use General-purpose Input/Output Port(PE)
S40/PF0~
*Segment Output for LCD Display
S47/PF7 I/O
*It's possible to use General-purpose Input/Output Port(PF)
COM0/PL0~
*Segment Output for LCD Display
COM3/PL3 I/O
*It's possible to use General-purpose Input/Output Port(PL)
*Bias Power Supply for LCD Drive
V1/PL4~
*It's possible to use General-purpose Input/Output Port(PL)
V3/PL6 I/O
*Other Function
AN12~AN14 : AD Conversion Input Port
Reset Terminal
RES I
*32.768kHz Input/Output Terminal for Crystal Oscillator
*Other Function
XT1 I
AN10 : AD Conversion Input Port
General-purpose Input Port
Connect to VDD1 when unuse.
*32.768kHz Input/Output Terminal for Crystal Oscillator
*Other Function
XT2 I/O AN11 : AD Conversion Input Port
General-purpose Input Port
Open for oscillation when unuse.
CF1 I Input Terminal for Ceramic Oscillator
Output Terminal for Ceramic Oscillator
CF2 O
- 16 -
50 S20/PC4
49 S19/PC3
48 S18/PC2
47 S17/PC1
46 S16/PC0
45 S15/PB7
44 S14/PB6
43 S13/PB5
42 S12/PB4
41 S11/PB3
40 S10/PB2
39 S9/PB1
38 S8/PB0
37 S7/PA7
36 S6/PA6
35 S5/PA5
34 S4/PA4
33 S3/PA3
32 S2/PA2
31 S1/PA1