SPRSP93 November 2024 F29H850TU , F29H859TU-Q1
ADVANCE INFORMATION
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The following analog subsystem block diagrams show the connections between the different integrated analog modules to the device pins. These pins fall into two categories: analog module inputs/outputs and reference pins.
There are two reference pair pins, VREFHIAB /VREFLOAB and VREFHICDE/VREFLOCDE. VREFHIAB and VREFLOAB supply the reference for ADC A and ADC B modules which support both 16-bit and 12-bit mode. VREFHICDE and VREFLOCDE supply ADC C, ADC D and ADC E modules which only support 12-bit mode. VREFHIAB can also be used to supply DAC A, and VREFHICDE can also be used to supply DAC B
The VDAC reference pin can be used to set an alternate range for DAC A and DAC B, and for the DACs inside the CMPSS modules (the CMPSS DACs are referenced to VDDA and VSSA by default). Using this pin as a reference prevents the channel from being used as an ADC input (but the ADC can be used to sample the VDAC voltage, if desired). The choice of reference is configurable per module for each CMPSS or buffered DAC; the selection is made using the module's configuration registers.
Some analog pins support digital functionality through muxed AIOs and AGPIOs. AIOs only support digital input functionality, while AGPIOs support full digital input and output functionality.
The following notes apply to all packages:
The following figures show how each analog group is structured. The Analog Pin Connections table lists the analog pins and internal connections.
Input connections to the CMPSS modules are selectable through a programmable input mux. Figure 6-33 shows the CMPSS input connections. Table 6-12 shows the mapping of ADC input signals to CMPSS mux inputs.
CMPSSx Input MUX | CMP1 | CMP2 | CMP3 | CMP4 | CMP5 | CMP6 | CMP7 | CMP8 | CMP9 | CMP10 | CMP11 | CMP12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
HP0 | A4 | A6 | B2 | A0 | D12 | D8 | D1 | D3 | C1 | C0 | C1 | C8 |
HP1 | A2 | E8 | B0 | D5 | E6 | E17 | B4 | E4 | C2 | E10 | E11 | E1 |
HP2 | A3 | E9 | B1 | D0 | E7 | E16 | B5 | E5 | A7 | E12 | E13 | 0.9*VREFHIAB |
HP3 | B3 | D13 | TempSense | D2 | TempSense | 0.9*VREFHIAB | 0.9*VREFHICDE | A8 | C9 | D3 | E1 | 0.9*VREFHICDE |
HP4 | D6 | D7 | E2 | E3 | A8 | A9 | A10 | A11 | B6 | B7 | B8 | B9 |
HP5 | A12 | A13 | A14 | A15 | C7 | C8 | C9 | C10 | B16 | B17 | C11 | C12 |
HP6 | B0 | B2 | D1 | B8 | C0 | E0 | A1 | B9 | A0 | D0 | A14 | A15 |
HN0 | A5 | A7 | B3 | A1 | D13 | D9 | D2 | D4 | A2 | E8 | B6 | A6 |
HN1 | A3 | A4 | B5 | D5 | E6 | E17 | B4 | E4 | E9 | D12 | C2 | B1 |
LP0 | A4 | A6 | B2 | A0 | D12 | D8 | D1 | D3 | C1 | C0 | C1 | C8 |
LP1 | A2 | E8 | B0 | D5 | E6 | E17 | B4 | E4 | C2 | E10 | E11 | E1 |
LP2 | A3 | E9 | B1 | D0 | E7 | E16 | B5 | E5 | A7 | E12 | E13 | 0.9*VREFHIAB |
LP3 | B3 | D13 | D9 | D2 | D4 | 0.9*VREFHIAB | 0.9*VREFHICDE | A8 | C9 | D3 | E1 | 0.9*VREFHICDE |
LP4 | D6 | D7 | E2 | E3 | B10 | B11 | B12 | B13 | C3 | C4 | C5 | C6 |
LP5 | A12 | A13 | A14 | A15 | C13 | C16 | C17 | D10 | D11 | D16 | D17 | E0 |
LP6 | B0 | B2 | D1 | B8 | C0 | E0 | A1 | B9 | A0 | D0 | A14 | A15 |
LN0 | A5 | A7 | B3 | A1 | D13 | D9 | D2 | D4 | A2 | E8 | B6 | A6 |
LN1 | A3 | A4 | B5 | D5 | E6 | E17 | B4 | E4 | E9 | D12 | C2 | B1 |