WT5041 Datasheet, PDF (5/5 Pages) Weltrend Semiconductor – 8-bit m C with Heart Rate Detect Circuits

eltrend
WT5041
8-bit µ C with Heart Rate Detect Circuits
Version 1.01
Name
No.
P34/O2
41
P35/O3
42
P36/BUZ
43
P37/BUZB 44
P20/INT0
45
P21/INT1
46
P22/INT2
47
P23/INT3
48
P24/INT4
49
P25/INT5
50
P26/INT6
51
P27/INT7/CNT 52
GND
53
XTAL2
54
XTAL1
55
P10/PWM0 56
P11/PWM1 57
P12/PWM2 58
P13/VR
59
P14/Ra
60
P15/Rb
61
P16/Rs
62
P17/Ca
63
/RESET
64
BIAS1
65
BIAS2
66
VDD
67
I/O
Description
I/O I/O port 34 or OP function Output2
I/O I/O port 35 or OP function Output3
I/O I/O port 36 or BUZZER function
I/O I/O port 37 or BUZZERB function
I/O I/O port 20 or INT/wake up input 0 pull high, negative edge trigger
I/O I/O port 21 or INT/wake up input 1 pull high, negative edge trigger
I/O I/O port 22 or INT/wake up input 2 pull high, negative edge trigger
I/O I/O port 23 or INT/wake up input 3 pull high, negative edge trigger
I/O I/O port 24 or INT/wake up input 4 pull high, negative edge trigger
I/O I/O port 25 or INT/wake up input 5 pull high, negative edge trigger
I/O I/O port 26 or INT/wake up input 6 pull high, negative edge trigger
I/O I/O port 27 or INT/wake up input 7/counter input
P Ground (0V).
I/O 32768Hz crystal oscillator.
I 32768Hz crystal oscillator.
I/O I/O port 10. or PWM0 output
I/O I/O port 11. or PWM1 output
I/O I/O port 12. or PWM2 output
I/O I/O port 13. OP reference voltage output
I/O I/O port 14 or RFC R thermistor
I/O I/O port 15 or RFC R humidity sensor
I/O I/O port 16 or RFC R standard
I/O I/O port 17 or RFC Capacitor
I Reset. Internal pull high, active low.
O LCD bias voltage 1
O LCD bias voltage 2
P Power supply.
Weltrend Semiconductor Inc.
2F, No. 24, Industry East 9^th Road,
Science-Based Industrial Park,
Hsin-chu, TAIWAN
TEL: [phone]
FAX: [phone]
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