Hardware Migration; Table 2. Packages Available On Stm32L4Xx Series; Table 3. Stm32L1 Series And Stm32L4 Series Pinout Differences (Qfp) - ST STM32L1 Series Application Note

Hardware migration

2 Hardware migration
Only LQFP48, LQFP64, LQFP100, LQFP144, BGA64, BGA100, BGA132 are available on
both families. The other packages available on STM32L1 family are not available on
STM32L4 family.
The list of available packages in the STM32L4 Series is listed in below
UFQFPN32
LQFP48
UFQFPN48
WLCSP49
WLCSP64
LQFP64
UFBGA64
WLCSP72
WLCSP81
LQFP100
UFBGA100
UFBGA132
LQFP144
The ultra-low-power STM32L4 and STM32L1 Series present a high level of pin
compatibility. Most peripherals share the same pins in the two series.
The transition from the STM32L1 Series to the STM32L4 Series for QFP and BGA
packages is easy since only a few pins are different (refer to
For the WLCSP packages the transition is less easy because the pinout is different. This is
due to the fact that devices of STM32L1 Series and STM32L4 Series have different die
sizes.
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Table 3. STM32L1 Series and STM32L4 Series pinout differences (QFP)

QFP QFP
48 64
1
-
8/58

Table 2. Packages available on STM32L4xx series

STM32L4xx
Cat. 2 Cat. 4
-
-
-
-
-
x
-
x
x
x
x
x
x
STM32L1 Series
QFP QFP
100 144
1 6 6
- - 95
DocID027094 Rev 3
Size (mm x mm)
x (5x5)
x (7x7)
x (7x7)
x (3.141 x 3.127)
x (3.141 x 3.127)
x (10x10)
x (5x5)
- (4.4084 x 3.7594)
- (4.4084 x 3.7594)
x (14x14)
x (7x7)
- (7x7)
- (20x20)
QFP QFP
Pinout
(1)
48
VLCD 1
VDD -
Table 2
Applicable lines
STM32L432xx, STM32L442xx
STM32L433xx, STM32L443xx
STM32L433xx, STM32L443xx
STM32L433xx, STM32L443xx
STM32L433xx, STM32L443xx
STM32L433xx, STM32L443xx
STM32L476xx, STM32L486xx
STM32L433xx, STM32L443xx
STM32L476xx, STM32L486xx
STM32L476xx
STM32L433xx, STM32L443xx
STM32L476xx, STM32L486xx
STM32L433xx, STM32L443xx
STM32L476xx, STM32L486xx
STM32L476xx, STM32L486xx
Table 3 and Table
STM32L4 Series
QFP QFP
64 100 144
1 6 6
- - 95
AN4612
4).
Pinout
VBAT
(2)
VDDIO2