A
Appendix A
A.1 Differences Between Bt8953A and RS8953B
Table A-1. Pin Definitions
Pin Number
Bt8953A (5.0 V)
Description
RS8953B (3.3 V)
Description
68 Pin
PLCC
80 Pin
PQFP
Signal
Signal
19
27
48
49
13
23
48
49
VCC
VCC
5.0 V
5.0 V
5.0 V
5.0 V
VCC
VCC
3.3 V
3.3 V
3.3 V
3.3 V
PLLVCC
PLLVCC
VCC
(SCAN_MD)
VCC
(SCAN_MD)
61
44
63
43
VCC
LP1
5.0 V
VCC
VCC
3.3 V
3.3 V
Multiplier PLL analog
phase detector output
45
45
LP2
Voltage level controls the
VCO frequency of the
multiplier PLL
VEXT
Input protection diodes
bias
N8953BDSB
Conexant
A-1