XC835/836
General Device Information
Table 3
Pin Definitions and Functions for XC835/836 (cont’d)
Symbol Pin
Type Reset Function
State
Number
TSSOP28/
DS024
P3.1
25/23
PU
RXD_4
UART Receive Input
RTCCLK
MTSR_4
RTC External Clock Input
SSC Master Transmit Output/
Slave Receive Input
MRST_4
EXINT0_5
COLA_0
XTAL3
SSC Master Receive Input
External Interrupt Input 0
LED Column A
32.768 kHz External oscillator
Input
EXF2_1
SPD_0
RXD_3
Timer 2 Overflow Flag
SPD Input/Output
UART Receive Input/
UART BSL Receive Input
P3.2
27/1
PU
SDA_2
IIC Data Line
MTSR_5
MRST_5
SSC Slave Receive Input
SSC Master Receive Input/
Slave Transmit Output
EXINT0_6
T2EX_7
TXD_3
External Interrupt Input 0
Timer 2 External Trigger Input
UART Transmit Output/
1-wire UART BSL Transmit Output
VDDP
VDDC
12/10
18/16
17/15
–
–
–
–
–
–
I/O Port Supply (2.5 V - 5.5 V)
Core Supply Monitor (2.5 V)
I/O Port Ground/
Core Supply Ground
VSSP
/
VSSC
Data Sheet
17
V1.2, 2011-03
INFINEON [ Infineon ]
