CY8C26643-24AI Cypress Semiconductor Corp, CY8C26643-24AI Datasheet - Page 80

• Manufacturer Part Number: CY8C26643-24AI
• Description: IC MCU 16K FLASH 256B 44LQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: PSOC™ CY8C26xxxr

Specifications of CY8C26643-24AI

• Core Processor: M8C
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SPI, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 40
• 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: 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 428-1431; 428-1431-5; 428-1431

inverting op-amp input) or for loss (center tap to output of
the block). Note that setting Gain alone does not guaran-
tee a gain or loss block. Routing of the other ends of the
resistor determine this.
Table 65:
Analog Continuous Time Block 00 Control 0 Register (ACA00CR0, Address = Bank 0/1, 71h)
Analog Continuous Time Block 01 Control 0 Register (ACA01CR0, Address = Bank 0/1, 75h)
Analog Continuous Time Block 02 Control 0 Register (ACA02CR0, Address = Bank 0/1, 79h)
Analog Continuous Time Block 03 Control 0 Register (ACA03CR0, Address = Bank 0/1, 7Dh)
80
Bit [7:4] : RTapMux [3:0] Encoding for selecting 1 of 16 resistor taps
0 0 0 0 = Rf 15 = Ri 01 = Loss .0625 / Gain 16.00
0 0 0 1 = Rf 14 = Ri 02 = Loss .1250 / Gain 8.000
0 0 1 0 = Rf 13 = Ri 03 = Loss .1875 / Gain 5.333
0 0 1 1 = Rf 12 = Ri 04 = Loss .2500 / Gain 4.000
0 1 0 0 = Rf 11 = Ri 05 = Loss .3125 / Gain 3.200
0 1 0 1 = Rf 10 = Ri 06 = Loss .3750 / Gain 2.667
0 1 1 0 = Rf 09 = Ri 07 = Loss .4375 / Gain 2.286
0 1 1 1 = Rf 08 = Ri 08 = Loss .5000 / Gain 2.000
1 0 0 0 = Rf 07 = Ri 09 = Loss .5625 / Gain 1.778
1 0 0 1 = Rf 06 = Ri 10 = Loss .6250 / Gain 1.600
1 0 1 0 = Rf 05 = Ri 11 = Loss .6875 / Gain 1.455
1 0 1 1 = Rf 04 = Ri 12 = Loss .7500 / Gain 1.333
1 1 0 0 = Rf 03 = Ri 13 = Loss .8125 / Gain 1.231
1 1 0 1 = Rf 02 = Ri 14 = Loss .8750 / Gain 1.143
1 1 1 0 = Rf 01 = Ri 15 = Loss .9375 / Gain 1.067
1 1 1 1 = Rf 00 = Ri 16 = Loss 1.000 / Gain 1.000
Bit 3 : Gain Select gain or loss configuration for output tap
0 = Loss
1 = Gain
Bit 2 : RTopMux Encoding for feedback resistor select
0 = Rtop to Vcc
1 = Rtop to op-amp’s output
Bit [1:0] : RBotMux [1:0] Encoding for feedback resistor select
Bit Name
Read/
Write
Bit #
POR
0 0 =
0 1 =
1 0 =
1 1 =
Analog Continuous Time Block xx Control 0 Register
ACA00
ACA01
AGND
Vss
ASA10
Mux[3]
RTap-
RW
7
0
ACA01
ACA00
AGND
Vss
ASB11
Mux[2]
RTap-
RW
6
0
Cypress MicroSystems CY8C25122/CY8C26233/CY8C26443/CY8C26643 Family Data Sheet
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
ACA02
ACA03
AGND
Vss
ASA12
Mux[1]
RTap-
RW
5
0
ACA03
ACA02
AGND
Vss
ASB13
Mux[0]
RTap-
RW
4
0
Note that connections between GIN and GOUT, and LIN
and LOUT are automatically resolved by PSoC Designer
when they are set in a differential configuration with an
adjacent CT block.
Gain
RW
3
0
RTopMux
RW
2
0
RBotMux[1]
RW
1
0
September 5, 2002
RBotMux[0]
RW
0
0