CY8C26443-24PI Cypress Semiconductor Corp, CY8C26443-24PI Datasheet - Page 116

• Manufacturer Part Number: CY8C26443-24PI
• Description: IC MCU 16K FLASH 256B 28-DIP
• Manufacturer: Cypress Semiconductor Corp
• Series: PSOC™ CY8C26xxxr

Specifications of CY8C26443-24PI

• Core Processor: M8C
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SPI, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.25 V
• Data Converters: A/D 1x8b, 1x11b, 1x12b; D/A 1x9b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Applications: CapSense
• Technology: CMOS
• Processing Unit: Microcontroller
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.25V
• Package Type: PDIP
• Screening Level: Industrial
• Pin Count: 28
• Mounting: Through Hole
• Rad Hardened: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant
• Other names: 428-1428; 428-1428-5; 428-1428

11.5
The Supply Voltage Monitor detector generates an inter-
rupt whenever Vcc drops below a pre-programmed
value. There are eight voltage trip points that are select-
able by setting the VM [2:0] bit in the Voltage Monitor
Table 95:
1.
Voltage Monitor Control Register (VLT_CR, Address = Bank 1, E3h)
116
Bit 7 : SMP Disables SMP function
0 = Switch Mode Pump enabled, default
1 = Switch Mode Pump disabled
Bit 6 : Reserved
Bit 5 : Reserved
Bit 4 : Reserved
Bit 3 : Reserved
Bit [2:0] : VM [2:0]
0 0 0 = 2.95 Trip Voltage
0 0 1 = 3.02 Trip Voltage 0 0 1 = 3.25 Trip Voltage
0 1 0 = 3.17 Trip Voltage 0 1 0 = 3.42 Trip Voltage
0 1 1 = 3.71 Trip Voltage 0 1 1 = 3.94 Trip Voltage
1 0 0 = 4.00 Trip Voltage 1 0 0 = 4.19 Trip Voltage
1 0 1 = 4.48 Trip Voltage 1 0 1 = 4.64 Trip Voltage
1 1 0 = 4.56 Trip Voltage 1 1 0 = 4.82 Trip Voltage
1 1 1 = 4.64 Trip Voltage 1 1 1 = 5.00 Trip Voltage
Bit Name
Low Voltage Detection
Read/
Write
Bit #
POR
Voltages are ideal typical values. Tolerances are in
Supply Voltage Monitor
Voltage Monitor Control Register
SMP
W
7
0
1
0 0 0 = 3.17 Trip Voltage
Reserved
Switch Mode Pump
RW
6
0
Cypress MicroSystems CY8C25122/CY8C26233/CY8C26443/CY8C26643 Family Data Sheet
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
Reserved
--
5
0
Reserved
Table 103 on page 127.
--
4
0
Control Register (VLT_CR). These bits also select the
Switch Mode Pump trip points. The Supply Voltage Mon-
itor will remain active when the device enters sleep
mode.
Reserved
--
3
0
VM [2]
W
2
0
VM [1]
W
1
0
September 5, 2002
VM [0]
W
0
0