S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 778

• Manufacturer Part Number: S912XET512J3VALR
• Description: 16-bit Microcontrollers - MCU 16 BIT,512K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of S912XET512J3VALR

• Rohs: yes
• Core: HCS12X
• Processor Series: MC9S12XE
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3.13 V to 5.5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-112
• Mounting Style: SMD/SMT

Chapter 21 Serial Peripheral Interface (S12SPIV5)
778
End of Idle State
SCK Edge Number
SCK (CPOL = 0)
SCK (CPOL = 1)
SAMPLE I
MOSI/MISO
CHANGE O
CHANGE O
SEL SS (O)
Master only
SEL SS (I)
MSB first (LSBFE = 0):
t
t
t
t
MOSI pin
MISO pin
LSB first (LSBFE = 1):
L
T
I
L
Figure 21-12. SPI Clock Format 0 (CPHA = 0), with 8-bit Transfer Width selected (XFRW = 0)
, t
= Minimum idling time between transfers (minimum SS high time)
= Minimum leading time before the first SCK edge
= Minimum trailing time after the last SCK edge
T
, and t
I
are guaranteed for the master mode and required for the slave mode.
t
L
MSB
LSB
1
2
MC9S12XE-Family Reference Manual Rev. 1.25
Begin
Bit 6
Bit 1
3
4
Bit 5
Bit 2
5
6
Bit 4
Bit 3
7
Transfer
8
Bit 3
Bit 4
9
10
Bit 2
Bit 5
11
12
Bit 1
Bit 6
13 14
End
MSB
15
LSB
16
Minimum 1/2 SCK
Freescale Semiconductor
t
T
for t
Begin of Idle State
T
t
, t
I
l
, t
L
t
L