SP5730 查看數據表（PDF） - Mitel Networks
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SP5730 Datasheet PDF : 14 Pages
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SP5730
Address
Status byte
A
:
MA1,MA0 :
214- 20
:
R4-R0
:
C1, C0
:
RE
:
RS
:
T1-T0
:
P3-P0
:
POR
:
FL
:
Preliminary Information
MSB
LSB
1
1
0
0
0 MA1 MA0 1
A Byte 1
POR FL 0
0
0
0
0
0
A Byte 2
Table 2 Read data format (MSB is transmitted first)
Acknowledge bit
Variable address bits (see Table 3)
Programmable division ratio control bits
Reference division ratio select (see Figure 3)
Charge pump current select (see Figure 6)
REF/COMP output enable
REF/COMP output select when RE=1 (see Figure 2)
Test mode control bits
P3 - P0 port output states
Power on reset indicator
Phase lock flag
MA1
0
0
1
1
MA0
0
1
0
1
Address input voltage level
0 - 0.1Vcc
Open circuit
0.4Vcc - 0.6Vcc #
0.9Vcc - Vcc
# Programmed by connecting a 30kΩ ± 5% resistor between pin 10 and Vcc
Table 3 Address selection
RE.RS
T1
T0
0
0
0
1
0
0
X
0
1
X
1
0
X
1
1
Test mode description
Normal operation
Normal operation Port P0 = Fpd/2
Charge pump sink.* Status byte FL set to logic ‘0’
Charge pump source * Status byte FL set to logic ‘0’
Charge pump disabled * Status byte FL set to logic ‘1’
*clocks need to be present on crystal and RF inputs to enable charge pump test modes and to toggle
Status byte bit FL
X = Dont Care
Table 4 Test modes
8
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