cy8c26233-24sxit Cypress Semiconductor Corporation., cy8c26233-24sxit Datasheet - Page 81
cy8c26233-24sxit
Manufacturer Part Number
cy8c26233-24sxit
Description
8-bit Programmable System-on-chip Psoc? Microcontrollers
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
1.CY8C26233-24SXIT.pdf
(148 pages)
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10.8.2.2
The PMux bits control the multiplexing of inputs to the
non-inverting input of the op-amp. There are physically
only 7 inputs.
The 8
desirable, and should be avoided.
The NMux bits control the multiplexing of inputs to the
inverting input of the op-amp. There are physically only 7
inputs.
Table 66:
Analog Continuous Time Block 00 Control 1 Register (ACA00CR1, Address = Bank 0/1, 72h)
Analog Continuous Time Block 01 Control 1 Register (ACA01CR1, Address = Bank 0/1, 76h)
Analog Continuous Time Block 02 Control 1 Register (ACA02CR1, Address = Bank 0/1, 7Ah)
Analog Continuous Time Block 03 Control 1 Register (ACA03CR1, Address = Bank 0/1, 7Eh)
September 5, 2002
Bit #
POR
Read/
Write
Bit Name
Bit 7 : AnalogBus Enable output to the analog bus
0 = Disable analog bus driven by this block
1 = Enable analog bus driven by this block
Bit 6 : CompBus Enable output to the comparator bus
0 = Disable comparator bus driven by this block
1 = Enable comparator bus driven by this block
Bit [5:3] : NMux [2:0] Encoding for negative input select
Bit [2:0] : PMux [2:0] Encoding for positive input select
0 0 0 =
0 0 1 =
0 1 0 =
0 1 1 =
1 0 0 =
1 0 1 =
1 1 0 =
1 1 1 =
0 0 0 =
0 0 1 =
0 1 0 =
0 1 1 =
1 0 0 =
1 0 1 =
1 1 0 =
1 1 1 =
th
code (111) will leave the input floating. This is not
Analog Continuous Time Block xx Control 1 Register
Analog Continuous Time Block xx Control 1 Register
AnalogBus
ACA00
ACA01
AGND
REFLO
REFHI
ACA00
ASA10
ASB11
Reserved
ACA00
REFLO
Port Inputs
ACA01
AGND
ASA10
ASB11
ABUS0
Reserved
RW
7
0
ACA01
ACA00
AGND
REFLO
REFHI
ACA01
ASB11
ASA10
Reserved
ACA01
ACA02
Port Inputs
ACA00
AGND
ASB11
ASA10
ABUS1
Reserved
CompBus
RW
6
0
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
ACA02
ACA03
AGND
REFLO
REFHI
ACA02
ASA12
ASB13
Reserved
ACA02
ACA01
Port Inputs
ACA03
AGND
ASA12
ASB13
ABUS2
Reserved
NMux2
RW
5
0
ACA03
ACA02
AGND
REFLO
REFHI
ACA03
ASB13
ASA12
Reserved
ACA03
REFLO
Port Inputs
ACA02
AGND
ASB13
ASA12
ABUS3
Reserved
NMux1
RW
4
0
CompBus controls a tri-state buffer that drives the com-
parator logic. If no PSoC block in the analog column is
driving the comparator bus, it will be driven low externally
to the blocks.
AnalogBus controls the analog output bus. A CMOS
switch connects the op-amp output to the analog bus.
NMux0
RW
3
0
PMux2
RW
2
0
PMux1
RW
1
0
Analog PSoC Blocks
PMux0
RW
0
0
81
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