ta1375fg TOSHIBA Semiconductor CORPORATION, ta1375fg Datasheet - Page 19

• Manufacturer Part Number: ta1375fg
• Description: Single Conversion Tuner For Digital Tv / Catv
• Manufacturer: TOSHIBA Semiconductor CORPORATION

DATA FORMAT
A) WRITE MODE
B) READ MODE
DATA SPECIFICATIONS
●MA1,MA0 : programmable hardware address bits
●N14 – N0 : programmable counter data
● CP : charge pump output current setting
●T2,T1,T0 : test mode setting bits
●Rsa,Rsb : Reference frequency divider ratio select bit.
●OS : tuning amplifier control bit
●POR : power on reset flag
2005/05/23
1
2
3
4
5
1
2
Charge-pump
1/2 counter divider output
Rsa
note9: Testing of the counter driver output requires the input of programmable counter data.
Reference signal output
MA1
0
0
1
1
0
0
1
1
CHARACTERISTIC
[0] : + 145uA(typ.)
[1] : + 210uA(typ)
[0] : tuning amplifier ON (normal operation)
[1] : tuning amplifier OFF (charge pump is sink mode)
[0]
[1] : reset operation
Normal operation
Band SW Byte
Divider Byte 1
Divider Byte 2
Address Byte
Address Byte
Control Byte
: normal operation
Status Byte
Rsb
0
1
0
1
MA0
SOURCE
0
1
0
1
SINK
OFF
DIVIDER RATIO
MSB
MSB
POR
ADDRESS PIN APPLIED VOLTAGE
N7
1/80
1/28
1/24
1/64
T2
×
1
0
1
1
0
0
1
1
1
1
OPEN or 0.2Vcc1 to 0.3Vcc1
0.4Vcc1 to 0.6Vcc1
T1
0.9Vcc1 to Vcc1
0
1
1
1
0
0
N14
0 to 0.1Vcc1
CP
N6
FL
×
1
1
T0
×
×
0
1
0
1
STEP FREQUENCY
N13
N5
T2
×
0
0
1
Charge pump is OFF (check output : NF)
Only charge pump sink current is ON (check output : NF)
Only charge pump source current is ON (check output : NF)
Reference signal output (check output : pin21)
1/2 counter output (check output : pin15)
142.86kHz
166.67kHz
50.0kHz
62.5kHz
19
N12
N4
T1
×
0
0
1
N11
N3
T0
B4
0
0
1
MA1
MA1
N10
Rsa
NOTE
N2
B3
1
(L)
×
ACK :Acknowledged
ACK :Acknowledged
-
:DON’T CARE
:Latch and transfer timing
MA0
MA0
Rsb
N9
N1
B2
1
R/W=0
R/W=1
LSB
LSB
TA1375FG
OS
N8
N0
B1
1
ACK(L)
ACK(L)
ACK(L)
ACK
ACK
ACK
-