Pin
Description
I/O
Hi
Hi-z
Remarks
23
Reference clock
D.O
Active
-
-
24
VDD
-
-
-
-
25
VSS
-
-
-
-
26
POWER_SW
A.I
No Key
-
-
27
CHARGE_DET
A.I
Charge
-
-
28
DCDCDRV
D.O
Active
-
-
29
DCDCCMR
A.I
-
-
-
30
RESET
A.I
Normal
-
-
31
VSSO
-
-
-
-
32
LOAD
A.I
-
-
-
33
XTAL
A.I
-
-
-
34
VDDPM
A.O
-
-
-
35
VDDLO
A.O
-
-
-
36
VDDBAT
A.I
-
-
-
37
VDDLR
-
-
-
-
38
CHARGE_START
A.O
-
-
for charge
39
VDDA
-
-
-
-
40
VSSA
-
-
-
-
41
LSRN
A.O
-
-
-
42
LSRP
A.O
-
-
-
43
BANDGAP_REF
A.O
-
-
-
44
MICS
A.O
-
-
-
45
MICP
A.I
-
-
-
46
MICN
A.I
-
-
-
47
Reference
Voltage
A.O
-
-
-
48
RSSI
A.I
-
-
-
49
P0.4
D.I
-
-
-
50
AD4N
A.I
-
-
-
51
AD4P
A.I
-
-
-
52
(NO USE)
D.I
-
-
-
53
KEY_STRB
D.O
Active
-
-
54
KEY_STRB
D.O
Active
-
-
55
KEY_STRB
D.O
Active
-
-
56
LCD_SEGMENT
D.O
Active
-
-
57
LCD_SEGMENT
D.O
Active
-
-
58
LCD_SEGMENT
D.O
Active
-
-
59
KEY_STRB
D.O
Active
-
-
60
KEY_STRB
D.O
Active
-
-
61
LCD_SEGMENT
D.O
Active
-
-
62
LCD_SEGMENT
D.O
Active
-
-
63
VDD
-
-
-
-
64
VSS
-
-
-
-
65
VDD for EEPROM
D.O
-
-
-
66
I2DAT
D.I/O
Active
-
-
66
www.freeservicemanuals.info
1/2/2015
Digitized in Heiloo, Holland