Samsung S3C84E5 user manual INT0-INT10, AVREF, Avss, Buz, Test, Vdd, Vss

S3C84E5/C84E9/P84E9PRODUCT OVERVIEW

Table 1-1. S3C84E5/C84E9/P84E9 Pin Descriptions (Continued)

Pin	Pin	Pin	Circuit	Pin	Share
Name	Type	Description	Type	Number	Pins
INT0–INT10	I	Input pins for external interrupt.	D-1	13-20, 4	P2.0–P2.7
		Alternatively used as general-purpose digital		10-11	P4.0–P4.2
		input/output port 2,4.		(19-26)
				(10,16-17)
ADC0–ADC7	I	Analog input pins for A/D converter module.	E	24-31	P3.0–P3.7
		Alternatively used as general-purpose digital		(29-36)
		input/output port 3.
AVREF, AVSS	–	A/D converter reference voltage and ground	–	22, 23	–
				(27, 28)
RxD	I	Serial data RxD pin for receive input and	D	33	P1.4
		transmit output (mode 0)		(38)
TxD	O	Serial data TxD pin for transmit output and	D	32	P1.5
		shift clock output (mode 0)		(37)
TACK	I	External clock input pins for timer A	D	39(2)	P0.6
TACAP	I	Capture input pins for timer A	D	38(1)	P0.7
TAOUT	O	Pulse width modulation output pins for timer A	D	37(42)	P1.0
BUZ	O	Buzzer output pin	D	34(39)	P1.3
TBPWM	O	Carrier frequency output pins for timer B	D	3(9)	P4.3
T1CK0	I	External clock input pins for timer 1(0)	D	36(41)	P1.1
T1CAP0	I	Capture input pins for timer 1(0)	D	40(3)	P0.5
T1OUT0	O	Timer 1(0) 16-bit PWM mode output or	D	35(40)	P1.2
		counter match toggle output pins
T1CK1	I	External clock input pins for timer 1(1)	D	42(3)	P0.3
T1CAP1	I	Capture input pins for timer 1(1)	D	43(5)	P0.2
T1OUT1	O	Timer 1(1) 16-bit PWM mode output or	D	41(4)	P0.4
		counter match toggle output pins
nRESET	I	System reset pin	B	12(18)	–
TEST	I	Pull-down resistor connected internally	–	9(15)	–
VDD, VSS	–	Power input pins	–	5,6	–
				(11,12)
XTIN, XTOUT	I,O	Subsystem oscillator pins	–	1,2	P0.0, P0.1
				(7,8)
Xin, Xout	I,O	Main oscillator pins	–	7,8	–
				(13,14)
NOTE: Pin numbers shown in parentheses "( )" are for the 42-pin SDIP package.

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