Preliminary Preliminary User's Manual l TQMaX4XxL UM 0001 l © 2022, TQ-Systems GmbH
Page 23
Pinout TQMaX4XxL (continued)
Table 14:
TQMaX4XxL pad description
Module
Pad
Signal
CPU
Ball
IO Group
Description
Voltage
Level
B1, C1, C2,
D1, D2
V_5V_IN
-
P
Input Power
Supply
Module Main Power supply
Add some blocking capacitors for
heavy load transients (typ.
47…100μF)
5.0 V
± 5%
L22
V_RTC_IN
-
P
RTC Power supply
2.0 V to
5.5 V
M22
V_VPP
G15
P
When not pro-gramming OTP
registers supply must be disabled.
Leave unconnected
1.8 V
K21
V_1V8
-
O
Output Power
Supply
V_1V8 power supply
Max. 100 mA
Should be used for Boot-Strapping
1.8 V
± 5%
N21
V_3V3
-
O
V_3V3 power supply
Max. 100 mA
3.3 V
± 5%
Y19
V_VDDSHV5
K15,
L14,
L15
O
V_VDDSHV5 power supply
Max. 20 mA
1.8 V /
3.3 V
K6
TQMaX4XxL_HARD_RST# -
I
System Signal
Hard Reset to TQMaX4XxL
including Power Cycle
10kΩ Pullup on TQMaX4XxL
5.0 V
± 5%
F8
MCU_PORz
-
I
Cold reset to CPU via MCU_PORz
10kΩ Pullup on TQMaX4XxL
1.8 V
P19
MCU_RESETz
B12
I
MCU Domain warm reset
10kΩ Pullup on TQMaX4XxL
R20
RESET_REQz
E18
I
Main Domain warm reset
10kΩ Pullup on TQMaX4XxL
F7
PORz_OUT
-
O
Main Domain POR status
10kΩ Pulldown on TQMaX4XxL
R19
MCU_RESETSTATz
B13
O
MCU Domain warm reset status
R22
RESETSTATz
F16
O
Main Domain warm reset status
N6
TQMaX4XxL_PGOOD
-
O
TQMaX4XxL PGOOD Status
Y18
MCU_SAFETY_ERROR#
A20
IO
Error signal output from MCU Do-
main
L18
TRST#
D11
I
Debug
JTAG Interface
TCK, TMS: 4.7kΩ Pullup on
TQMaX4XxL
TRST#: 4.7kΩ Pulldown on
TQMaX4XxL
1.8 V
M18
TDI
C11
I
T18
TMS
C12
I
N18
TCK
B11
I
P18
TDO
A12
O
K18
EMU0
D10
IO
J18
EMU1
E10
IO
MCU_OBSCLKK0
O
G6
RFU1
-
-
Reserved for future use
Do not connect
-
H7
RFU2
-
-
R7
RFU3
-
-
T6
RFU4
-
-
R6
TQ_EEPROM_WC#
-
I
Factory Test
Only
Factory Test only
Do not connect
1.8 V
T9
V_0V85
-
P
0.85 V
G8
V_1V8_AUX
-
P
1.8 V
U18
V_RTC
-
P
1.8 V
G9
V_1V1
-
P
1.1 V
H6
V_VDD_CORE
-
P
0.75 V/
0.85 V
T8
V_1V8A
-
P
1.8 V