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

23
T48C862-R8
4590B–4BMCU–02/03
Figure 17. Voltage Monitor
Voltage Monitor
Control/Status Register
Primary register address: "F"hex
VM2: Voltage monitor Mode bit 2
VM1: Voltage monitor Mode bit 1
VM0: Voltage monitor Mode bit 0
VIM Voltage Interrupt Mask bit
VIM = 0, voltage monitor interrupt is enabled
VIM = 1, voltage monitor interrupt is disabled
VMS Voltage Monitor Status bit
VMS = 0, the voltage at the comparator input is below V
Ref
VMS = 1, the voltage at the comparator input is above V
Ref
V
DD
VM2
Voltage monitor
VM1 VM0 VIM
VMS
- - res
OUT
IN
BP41/
VMI
INT7
VMC :
VMST :
Bit 3Bit 2Bit 1Bit 0
VMC: Write VM2 VM1 VM0 VIM Reset value: 1111b
VMST: Read – – reserved VMS Reset value: xx11b
VM2 VM1 VM0 Function
1 1 1 Disable voltage monitor
110
External (VIM-input), internal reference threshold (1.3 V), interrupt
with negative slope
101Not allowed
100
External (VMI-input), internal reference threshold (1.3 V), interrupt
with positive slope
011
Internal (supply voltage), high threshold (3.0 V), interrupt with
negative slope
010
Internal (supply voltage), middle threshold (2.6 V), interrupt with
negative slope
001
Internal (supply voltage), low threshold (2.2 V), interrupt with
negative slope
000Not allowed










