CY8C26643-24PI Cypress Semiconductor Corp, CY8C26643-24PI Datasheet - Page 88

• Manufacturer Part Number: CY8C26643-24PI
• Description: IC MCU 16K FLASH 256B 48-DIP
• Manufacturer: Cypress Semiconductor Corp
• Series: PSOC™ CY8C26xxxr

Specifications of CY8C26643-24PI

• Core Processor: M8C
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SPI, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 44
• 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: 48-DIP (0.600", 15.24mm)
• 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: 48
• 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: 428-1432; 428-1432-5; 428-1432

10.9.3.2
ACMux controls the input muxing for both the A and C
capacitor branches. The high order bit, ACMux[2],
selects one of two inputs for the C branch. However,
when the bit is high, it also overrides the two low order
bits, forcing the A and C branches to the same source.
Table 69:
Analog Switch Cap Type A Block 10 Control 1 Register (ASA10CR1, Address = Bank 0/1, 81h)
Analog Switch Cap Type A Block 12 Control 1 Register (ASA12CR1, Address = Bank 0/1, 89h)
Analog Switch Cap Type A Block 21 Control 1 Register (ASA21CR1, Address = Bank 0/1, 95h)
Analog Switch Cap Type A Block 23 Control 1 Register (ASA23CR1, Address = Bank 0/1, 9Dh)
88
Bit [7:5] ACMux [2:0] Encoding for selecting A and C inputs. (Note that available mux inputs vary by individual
PSoC block.)
0 0 0 = ACA00 ACA00
0 0 1 = ASB11 ACA00
0 1 0 = REFHI ACA00
0 1 1 = ASB20 ACA00
1 0 0 = ACA01
1 0 1 =
1 1 0 =
1 1 1 =
Bit [4:0] : BCap [4:0] Binary encoding for 32 possible capacitor sizes for B Capacitor:
0 0 0 0 0 = 0 Capacitor units in array
0 0 0 0 1 = 1 Capacitor units in array
0 0 0 1 0 = 2 Capacitor units in array
0 0 0 1 1 = 3 Capacitor units in array
0 0 1 0 0 = 4 Capacitor units in array
0 0 1 0 1 = 5 Capacitor units in array
0 0 1 1 0 = 6 Capacitor units in array
0 0 1 1 1 = 7 Capacitor units in array
0 1 0 0 0 = 8 Capacitor units in array
0 1 0 0 1 = 9 Capacitor units in array
0 1 0 1 0 = 10 Capacitor units in array
0 1 0 1 1 = 11 Capacitor units in array
0 1 1 0 0 = 12 Capacitor units in array
0 1 1 0 1 = 13 Capacitor units in array
0 1 1 1 0 = 14 Capacitor units in array
0 1 1 1 1 = 15 Capacitor units in array
Bit Name
Read/
Write
Bit #
POR
A Inputs C Inputs
Reserved Reserved
Reserved Reserved
Reserved Reserved
ASA10
Analog Switch Cap Type A Block xx Control 1 Register
Analog Switch Cap Type A Block xx Control 1 Register
ACMux[2]
Reserved
RW
7
0
ACMux[1]
ASB11
ASB20
REFHI
Vtemp
ASA10
Reserved Reserved
Reserved Reserved
Reserved Reserved
A Inputs C Inputs
RW
6
0
Cypress MicroSystems CY8C25122/CY8C26233/CY8C26443/CY8C26643 Family Data Sheet
ASA21
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
ASB11
ASB11
ASB11
ASB11
Reserved
ACMux[0]
RW
5
0
1 0 0 0 0 = 16 Capacitor units in array
1 0 0 0 1 = 17 Capacitor units in array
1 0 0 1 0 = 18 Capacitor units in array
1 0 0 1 1 = 19 Capacitor units in array
1 0 1 0 0 = 20 Capacitor units in array
1 0 1 0 1 = 21 Capacitor units in array
1 0 1 1 0 = 22 Capacitor units in array
1 0 1 1 1 = 23 Capacitor units in array
1 1 0 0 0 = 24 Capacitor units in array
1 1 0 0 1 = 25 Capacitor units in array
1 1 0 1 0 = 26 Capacitor units in array
1 1 0 1 1 = 27 Capacitor units in array
1 1 1 0 0 = 28 Capacitor units in array
1 1 1 0 1 = 29 Capacitor units in array
1 1 1 1 0 = 30 Capacitor units in array
1 1 1 1 1 = 31 Capacitor units in array
BCap[4]
ACA02
ASB13
REFHI
ASB22
ACA03
Reserved Reserved
Reserved Reserved
Reserved Reserved
A Inputs C Inputs
RW
4
0
The resulting condition is used to construct low pass
biquad filters.
The BCap bits set the value of the capacitor in the B
path.
ASA12
ACA02
ACA02
ACA02
ACA02
Reserved
BCap[3]
RW
3
0
BCap[2]
A Inputs C Inputs
ASB13
ASB22
REFHI
ABUS3
ASA12
Reserved Reserved
Reserved Reserved
Reserved Reserved
RW
2
0
ASA23
ASB13
ASB13
ASB13
ASB13
Reserved
BCap[1]
RW
1
0
September 5, 2002
BCap[0]
RW
0
0