ZHCSI49C September 2014 – March 2021
PRODUCTION DATA
Section 7.2 describes the signals for all device variants and package options.
TERMINAL | I/O(1) | DESCRIPTION | ||
---|---|---|---|---|
NAME | NO.(2) | |||
PW | RHB | |||
A0.0+ | 1 | 1 | I | SD24 positive analog input A0.0(3) |
A0.0- | 2 | 2 | I | SD24 negative analog input A0.0(3) |
A1.0+ | 3 | 3 | I | SD24 positive analog input A1.0(3) |
A1.0- | 4 | 4 | I | SD24 negative analog input A1.0(3) |
A2.0+ | 5 | 5 | I | SD24 positive analog input A2.0(3)(4) |
A2.0- | 6 | 6 | I | SD24 negative analog input A2.0(3)(4) |
A3.0+ | 7 | 7 | I | SD24 positive analog input A3.0 (3)(4)(5) |
A3.0- | 8 | 8 | I | SD24 negative analog input A3.0 (3)(4)(5) |
VREF(6) | 9 | 9 | I | SD24 external reference voltage input |
AVSS | 10 | 10 | Analog supply voltage, negative terminal | |
ROSC | 11 | 11 | External resistor pin for DCO.
Connect recommended resistor between ROSC and AVSS for DCO operation in external resistor mode. Connect ROSC to AVSS while operating DCO in internal resistor mode. |
|
DVSS | 12 | 12 | Digital supply voltage, negative terminal | |
VCC | 13 | 13 | Analog and digital supply voltage, positive terminal | |
VCORE (7) | 14 | 14 | Regulated core power supply (internal use only, no external current loading) | |
RST/NMI/SBWTDIO | 15 | 15 | I/O | Reset or nonmaskable interrupt input.
Spy-Bi-Wire test data input/output for device programming and test. |
TEST/SBWTCK | 16 | 16 | I | Selects test mode for JTAG pins on P1.0 to P1.3.
Spy-Bi-Wire test clock input for device programming and test. |
P1.0/UCA0STE/MCLK/TCK | 17 | 17 | I/O | General-purpose digital I/O pin.
eUSCI_A0 SPI slave transmit enable (direction controlled by eUSCI). MCLK output. JTAG test clock. TCK is the clock input port for device programming and test. |
P1.1/UCA0CLK/SMCLK/TMS | 18 | 18 | I/O | General-purpose digital I/O pin.
eUSCI_A0 clock input/output (direction controlled by eUSCI). SMCLK output. JTAG test mode select. TMS is used as an input port for device programming and test. |
P1.2/UCA0RXD/UCA0SOMI/ ACLK/TDI/TCLK | 19 | 19 | I/O | General-purpose digital I/O pin.
eUSCI_A0 UART receive data or eUSCI_A0 SPI slave out/master in (direction controlled by eUSCI). ACLK output. JTAG test data input or test clock input for device programming and test. |
P1.3/UCA0TXD/UCA0SIMO/ TA0CLK/TDO/TDI | 20 | 20 | I/O | General-purpose digital I/O pin.
eUSCI_A0 UART transmit data or eUSCI_A0 SPI slave in/master out (direction controlled by eUSCI). Timer external clock input TACLK for TA0. JTAG test data output port. TDO/TDI data output or programming data input terminal. |
P1.4/UCB0STE/TA0.0 | 21 | 21 | I/O | General-purpose digital I/O pin.
eUSCI_B0 SPI slave transmit enable (direction controlled by eUSCI). Timer TA0 CCR0 capture: CCI0A input, compare: Out0 output. |
P1.5/UCB0CLK/TA0.1 | 22 | 22 | I/O | General-purpose digital I/O pin.
eUSCI_B0 clock input/output (direction controlled by eUSCI). Timer TA0 CCR1 capture: CCI1A input, compare: Out1 output. |
P1.6/UCB0SCL/UCB0SOMI/ TA0.2 | 23 | 23 | I/O | General-purpose digital I/O pin.
eUSCI_B0 I2C clock or eUSCI_B0 SPI slave out/master in (direction controlled by eUSCI). Timer TA0 CCR2 capture: CCI2A input, compare: Out2 output. |
P1.7/UCB0SDA/UCB0SIMO/ TA1CLK | 24 | 24 | I/O | General-purpose digital I/O pin.
eUSCI_B0 I2C data or eUSCI_B0 slave input/master output (direction controlled by eUSCI). Timer external clock input TACLK for TA1. |
P2.0/TA1.0/CLKIN | 25 | 25 | I/O | General-purpose digital I/O pin.
Timer TA1 CCR0 capture: CCI0A input, compare: Out0 output. DCO bypass clock input. |
P2.1/TA1.1 | 26 | 26 | I/O | General-purpose digital I/O pin.
Timer TA1 CCR1 capture: CCI1A input, compare: Out1 output. |
P2.2/TA1.2 | 27 | 27 | I/O | General-purpose digital I/O pin.
Timer TA1 CCR2 capture: CCI2A input, compare: Out2 output. |
P2.3/VMONIN | 28 | 28 | I/O | General-purpose digital I/O pin.
Voltage monitor input. |
P2.4/TA1.0(8) | N/A | 29 | I/O | General-purpose digital I/O pin.
Timer TA1 CCR0 capture: CCI0B input, compare: Out0 output. |
P2.5/TA0.0(8) | N/A | 30 | I/O | General-purpose digital I/O pin.
Timer TA0 CCR0 capture: CCI0B input, compare: Out0 output. |
P2.6/TA0.1(8) | N/A | 31 | I/O | General-purpose digital I/O pin.
Timer TA0 CCR1 compare: Out1 output. |
P2.7/TA0.2(8) | N/A | 32 | I/O | General-purpose digital I/O pin.
Timer TA0 CCR2 compare: Out2 output. |