Owner manual
Table Of Contents
- Features
- Description
- Pin Configuration
- Pin Description: RF Part
- Pin Description: Microcontroller Part
- UHF ASK/FSK Transmitter Block
- Features
- Description
- General Description
- Functional Description
- Absolute Maximum Ratings
- Thermal Resistance
- Electrical Characteristics
- Microcontroller Block
- Features
- Description
- Introduction
- Microcontroller Architecture General Description
- Components of Microcontroller Core
- Master Reset
- Voltage Monitor
- Clock Generation
- Power-down Modes
- Peripheral Modules
- Bi-directional Ports
- Timer 3
- Features
- Timer/Counter Modes
- Timer 3 – Mode 1: Timer/Counter
- Timer 3 – Mode 2: Timer/Counter, External Trigger Restart and External Capture (with T3I Input)
- Timer 3 – Mode 3: Timer/Counter, Internal Trigger Restart and Internal Capture (with TOG2)
- Timer 3 – Mode 4: Timer/Counter
- Timer 3 – Mode 5: Timer/Counter, External Trigger Restart and External Capture (with T3I Input)
- Timer 3 Modulator/Demodulator Modes
- Timer 3 – Mode 6: Carrier Frequency Burst Modulation Controlled by Timer 2 Output Toggle FlipFlo...
- Timer 3 – Mode 7: Carrier Frequency Burst Modulation Controlled by SSI Internal Output (SO)
- Timer 3 – Mode 8: FSK Modulation with Shift Register Data (SO)
- Timer 3 – Mode 9: Pulse-width Modulation with the Shift Register
- Timer 3 – Mode 10: Manchester Demodulation/Pulse-width Demodulation
- Timer 3 – Mode 11: Biphase Demodulation
- Timer 3 – Mode 12: Timer/Counter with External Capture Mode (T3I)
- Timer 3 Modulator for Carrier Frequency Burst Modulation
- Timer 3 Demodulator for Biphase, Manchester and Pulse-width-modulated Signals
- Timer 3 Registers
- Timer 3 Mode Register (T3M)
- Timer 3 Control Register 1 (T3C) Write
- Timer 3 Status Register 1 (T3ST) Read
- Timer 3 Clock Select Register (T3CS)
- Timer 3 Compare- and Compare-mode Register
- Timer 3 Compare-Mode Register 1 (T3CM1)
- Timer 3 Compare Mode Register 2 (T3CM2)
- Timer 3 COmpare Register 1 (T3CO1) Byte Write
- Timer 3 COmpare Register 2 (T3CO2) Byte Write
- Timer 3 Capture Register
- Synchronous Serial Interface (SSI)
- Serial Interface Registers
- Combination Modes
- Absolute Maximum Ratings
- Thermal Resistance
- DC Operating Characteristics
- AC Characteristics
- Crystal Characteristics
- Ordering Information
- Package Information
- Table of Contents
98
T48C862-R8
4590B–4BMCU–02/03
Crystal
Characteristics
Figure 92. Crystal Equivalent Circuit
32-kHz Crystal Oscillator (Operating Range V
DD
= 2.0 V to 4.0 V)
Frequency f
X
32.768 kHz
Start-up time t
SQ
0.5 s
Stability
Df/f -10 10 ppm
Integrated input/output capacitances
(configurable)
C
IN
/C
OUT
programmable C
IN
C
OUT
0, 2, 5, 7, 10 or 12
0, 2, 5, 7, 10 or 12
pF
pF
External 32-kHz Crystal Parameters
Crystal frequency f
X
32.768 kHz
Serial resistance RS 30 50 k
W
Static capacitance C0 1.5 pF
Dynamic capacitance C1 3 fF
External 4-MHz Crystal Parameters
Crystal frequency f
X
4.0 MHz
Serial resistance RS 40 150 W
Static capacitance C
0 1.4 3 pF
Dynamic capacitance C1 3 fF
EEPROM
Operating current during erase/write
cycle
I
WR
600 1300 µA
Endurance Erase-/write cycles
T
amb
= 125°C
E
D
E
D
500,000
10,000
1,000,000
20,000
Cycles
Cycles
Data erase/write cycle time For 16-bit access t
DEW
913ms
Data retention time
T
amb
= 125°C
t
DR
t
DR
100
1
years
years
Power-up to read operation t
PUR
0.2 ms
Power-up to write operation t
PUW
0.2 ms
Program EEPROM Erase-/write cycles, T
amb
= 0 to 40°Cn
EW
100 1,000 Cycles
Serial Interface
SCL clock frequency f
SC_MCL
100 500 kHz
AC Characteristics (Continued)
Supply voltage V
DD
= 2.0 to 4.0 V, V
SS
= 0 V, T
amb
= 25°C unless otherwise specified.
Parameters Test Conditions Symbol Min. Typ. Max. Unit
L
C1
RS
C0
OSCIN
OSCOUT
Equivalent
circuit
SCLIN SCLOUT