Sharp FO-2970M Service Manual - Page 41

Sharp FO-2970M Manual

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FO-2970MU SH7041 (IC5) Terminal descriptions Classification Code Terminal No. I/O Name Function Serial TxD0, 131, O Transmitting data Output terminal for transmitting data of SC10 to 1. communication TxD1 134 (Channels 0 and 1) interface (SCI) RxD0, 130, I Receiving data Input terminal for receiving data of SC10 to 1. RxD1 133 (Channels 0 and 1) SCK0, SCK1 132, 136 I/O Serial clock Input/output terminal for clock of SC10 to 1. (Channels 0 and 1) A/D converter AVcc 128 I Analog power source Vcc potential is connected by analog power source. AVss 124 I Analog ground Vss potential is connected by analog power source. AVref 127 (QFP-144) I Analog reference Input terminal for analog reference power source. power source AN0~AN7 118~123, 125,126 I Analog input Analog signal input terminal. ADTRG 41,45 I A/D conversion trigger input External trigger input to start A/D conversion. I/O port POE0~ POE3 31,32,34,36 I Port output enable Input terminal to enable general port to control driving of port terminal in case of setting output. PA0~PA15 1,3,4,33,43, I/O General port (QFP-112) 47~54,100, PA0~PA23 101,107, (QFP-144) 130~134,136 General input/output port terminal to specify input/output by every bit. PB0~PB9 25,27,31,32, I/O General port 34,36~39,41 General input/output port terminal to specify input/output by every bit. PC0~PC15 45,46,57~60, I/O General port General input/output port terminal to specify input/output by every bit. PD0~PD15 62,64~70,72, I/O General port (QFP-112) 73~76,78, PD0~PD31 80~84,86, (QFP-144) 88~92 General input/output port terminal to specify input/output by every bit. PE0~PE15 2,5,109~111, I/O General port 113~116 137~140 142~144 General input port terminal to specify input/output by every bit. PF0~PF7 118~123, 125,126 I General port General input port terminal. 5 - 5

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FO-2970MU
5 – 5
Classification
Code
Terminal No.
I/O
Name
Function
Serial
TxD0,
131,
O
Transmitting data
Output terminal for transmitting data of SC10 to 1.
communication
TxD1
134
(Channels 0 and 1)
interface (SCI)
RxD0,
130,
I
Receiving data
Input terminal for receiving data of SC10 to 1.
RxD1
133
(Channels 0 and 1)
SCK0,
132,
I/O
Serial clock
Input/output terminal for clock of SC10 to 1.
SCK1
136
(Channels 0 and 1)
A/D converter
AVcc
128
I
Analog power source
Vcc potential is connected by analog power source.
AVss
124
I
Analog ground
Vss potential is connected by analog power source.
AVref
127
I
Analog reference
Input terminal for analog reference power source.
(QFP-144)
power source
AN0~AN7
118~123,
I
Analog input
Analog signal input terminal.
125,126
ADTRG
41,45
I
A/D conversion
External trigger input to start A/D conversion.
trigger input
I/O port
POE0~
31,32,34,36
I
Port output enable
Input terminal to enable general port to control driving of port
POE3
terminal in case of setting output.
PA0~PA15
1,3,4,33,43,
I/O
General port
General input/output port terminal to specify input/output by every bit.
(QFP-112)
47~54,100,
PA0~PA23
101,107,
(QFP-144) 130~134,136
PB0~PB9
25,27,31,32,
I/O
General port
General input/output port terminal to specify input/output by every bit.
34,36~39,41
PC0~PC15
45,46,57~60,
I/O
General port
General input/output port terminal to specify input/output by every bit.
PD0~PD15
62,64~70,72,
I/O
General port
General
input/output port terminal to specify input/output by every bit.
(QFP-112)
73~76,78,
PD0~PD31
80~84,86,
(QFP-144)
88~92
PE0~PE15
2,5,109~111,
I/O
General port
General input port terminal to specify input/output by every bit.
113~116
137~140
142~144
PF0~PF7
118~123,
I
General port
General input port terminal.
125,126
SH7041 (IC5) Terminal descriptions