MC44CC374T1AEF Freescale Semiconductor, MC44CC374T1AEF Datasheet - Page 16

• Manufacturer Part Number: MC44CC374T1AEF
• Description: Modulator / Demodulator CMOS MOD R3.0 374T1A
• Manufacturer: Freescale Semiconductor

Specifications of MC44CC374T1AEF

• Package / Case: SOIC-16
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MC44CC373
16
control registers, control 15 different test mode states. Only
four of these states have an application use. All other states
are intended for manufacturing test purposes only.
used to operate the modulator in the in VHF range.
Table 18. Test Modes usable for VHF operation
OPTION CONTROL REGISTER 1 FORMAT
shown in
applications. They are for manufacturing test only. For nor-
mal operation these bits must be set to a logic 0. When
MSB
R15
Adr
The Test Mode bits, X5:X0, found in the frequency and
The test mode states defined by X2:X0 in
The format for the Optional Control Register 1, OCR1, is
X5
1
1
0
0
0
0
0
x
R14
Figure
0
Reserved for manufacturing test purposes only
X4
0
0
0
0
0
x
R13
8. Bits R14:R0 are not defined for system
0
X3
0
0
0
0
0
x
R12
0
X2
R11
0
0
0
0
1
1
0
R10
X1
0
0
0
1
1
0
x
Figure 8. Option Control Register 1 Format
Table 18
R9
0
X0
0
1
0
1
0
x
may be
R8
0
The 11 other test mode states are reserved for manufacturing test purposes.
R7
0
Table 19. Option Control Register 1, Bit Description
Reserved for manufacturing test purposes only
UHF oscillator is disabled, do not write to Option Control Reg-
ister 1 and 2. Any other time, writing to Option Control Regis-
ters 1 and 2 is allowed.
R6
14-8
0
Bit
7-0
15
It should be noted that operation in the VHF range has
a high spurious content due to the digital dividers.
Filtering of the RF
desired performance specifications. Performance
data is not provided for VHF operation.
R5
Name
0
Adr
—
—
R4
Normal Operation
0
Address Function bit. Must be set to a logic 1.
Reserved for manufacturing test.
Reserved for manufacturing test.
Description
OUT
RF/16
RF/2
RF/8
RF4
R3
0
signal may be required to meet
R2
0
Description
Freescale Semiconductor
R1
0
LSB
R0
0
Digital Home
Reset
State