Sanyo DC-DA2000 (XE) Service Manual page 13

IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC867232A-51D2 (Micro Processor)
COM0/PL0
COM1/PL1
COM2/PL2
COM3/PL3
Pin Name I/O Functioon description
VSS1
Negative power supply pin
VSS2 -
VSS3
VDD1
VDD2 - Positive power supply pin
VDD3
Port 0
• 8 bits input /output port
Data direction can be specified in 4 bits unit
I/O
P00 to P07
• HOLD -release input
• Input for port 0 interrupt
Port 1
• 8 bits input /output port
Data direction can be specified for each bit
• Pin function
P10 : SIO0 data output
I/O
P11 : SIO0 data input/bus input/output
P10 to P17
P12 : SIO0 clock input/output
P13 : SIO1 data output
P14 : SIO1 data input/bus input/output
P15 : SIO1 clock input/output
P16 : Buzzer output
P17 : Timer 1 output (PWM output)
Port 3
• 6 bits input /output port
P30 to P35 I/O
Data direction can be specified for each bit
Port 7
• 6 bits input port
• Other functions
P70 I/O
P70 : INT0 input/HOLD release input/
Nch-Tr. output for watchdog timer
P71 : INT1 input/HOLD release input
I
P71 to P73
P72 : INT2 input/timer 0 event input
P73 : INT3 input (with noise rejection filter)/
timer 0 event input
Interrupt receiver format. vecter address
Rise
INT0 O
INT1 O
INT2 O
INT3 O
P74 : XT1 X'tal oscillation pin
P74,75 I
P75 : XT2 X'tal oscillation pin
V2/PL5 81
V1/PL4 82
83
84
85
86
P30 87
P31 88
VSS3 89
VDD3 90
P32 91
P33 92
P34 93
P35 94
P00 95
P01 96
P02 97
P03 98
P04 99
P05 100
Rise/
Fall H-level L-level Vecter
Fall
O X O O 03H
O X O O 0BH
O O X X 13H
O O X X 1BH
Pin Name I/O Functioon description
Port 8 • 8 bits input port
• Other functions
P80 to P87 I
AD input port (eight pins)
S0/PA0 to • Segment output pin for LCD display
I/O
S7/PA7 • General-purpose input/output ports (PA) possible used
S8/PB0 to • Segment output pin for LCD display
I/O
S15/PB7 • General-purpose input/output ports (PB) possible used
S16/PC0 to • Segment output pin for LCD display
I/O
S23/PC7 • General-purpose input/output ports (PC) possible used
S24/PD0 to • Segment output pin for LCD display
I/O
S31/PD7 • General-purpose input/output ports (PD) possible used
S32/PE0 to • Segment output pin for LCD display
I/O
S39/PE7 • General-purpose input/output ports (PE) possible used
S40/PF0 to • Segment output pin for LCD display
I/O
S47/PF7 • General-purpose input/output ports (PF) possible used
COM0/PL0 to • Common output pin for LCD display
I/O
COM3/PL3 • General-purpose input/output ports (PL) possible used
V1/PL4 to • Bias power supply pin for LCD driver
I
V3/PL6 • General-purpose input/output ports (PL) possible used
RES I Reset pin
• Input pin for 32.768kHz crystal oscillation
When not in use, connect to VDD.
XT1/P74
I
• Other function
General-purpose input port P74
• Output pin for 32.768kHz crystal oscillation
When not in use, set it to oscillation mode and leave
XT2/P75
O
it open.
• Other function
(I)
General-purpose input port P75
CF1 Input pin for ceramic oscillator
I
CF2 Output pin for ceramic oscillator
O
- 12 -
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