XC2238M Datasheet, PDF (23/102 Pages) Infineon Technologies AG – 16/32-Bit Single-Chip Microcontroller with 32-Bit Performance XC2000 Family Derivatives / Base Line

XC2238M, XC2239M
XC2000 Family Derivatives / Base Line
General Device Information
Table 5
Pin Definitions and Functions (cont’d)
Pin Symbol
Ctrl. Type Function
63 ESR0
O0 / I St/B External Service Request 0
Note: After power-up, ESR0 operates as open-
drain bidirectional reset with a weak pull-up.
U1C0_DX0E I
St/B USIC1 Channel 0 Shift Data Input
U1C0_DX2B I
St/B USIC1 Channel 0 Shift Control Input
6
V_DDIM
-
PS/M Digital Core Supply Voltage for Domain M
Decouple with a ceramic capacitor, see Table 13
for details.
24, V_DDI1
41,
57
9
V_DDPA
2,
V_DDPB
16,
18,
32,
34,
48,
50,
64
-
PS/1 Digital Core Supply Voltage for Domain 1
Decouple with a ceramic capacitor, see Table 13
for details.
All V_DDI1 pins must be connected to each other.
-
PS/A Digital Pad Supply Voltage for Domain A
Connect decoupling capacitors to adjacent V_DDP/
V_SS pin pairs as close as possible to the pins.
Note: The A/D_Converters and ports P5, P6 and
P15 are fed from supply voltage V_DDPA.
-
PS/B Digital Pad Supply Voltage for Domain B
Connect decoupling capacitors to adjacent V_DDP/
V_SS pin pairs as close as possible to the pins.
Note: The on-chip voltage regulators and all ports
except P5, P6 and P15 are fed from supply
voltage V_DDPB.
1, V_SS
17,
33,
49
-
PS/-- Digital Ground
All V_SS pins must be connected to the ground-line
or ground-plane.
Note: Also the exposed pad is connected
internally to V_SS. To improve the EMC
behavior, it is recommended to connect the
exposed pad to the board ground.
For thermal aspects, please refer to
Section 5.1. Board layout examples are
given in an application note.
Data Sheet
23
V2.0, 2009-03