MCIMX35WPDKJ Freescale Semiconductor, MCIMX35WPDKJ Datasheet - Page 121

• Manufacturer Part Number: MCIMX35WPDKJ
• Description: BOARD DEV FOR I.MX35
• Manufacturer: Freescale Semiconductor
• Series: i.MX35r
• Type: MPUr

Specifications of MCIMX35WPDKJ

• Contents: Module and Misc Hardware
• Processor To Be Evaluated: i.MX35
• Processor Series: i.MX35
• Data Bus Width: 32 bit
• Interface Type: RS-232, Ethernet, USB, CAN, JTAG
• Core: ARM11
• For Use With/related Products: i.MX35
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.9.23
This section describes the electrical information of the UART module.
4.9.23.1
The following subsections give the UART transmit and receive timings in RS-232 serial mode.
4.9.23.1.11 UART Transmitter
Figure 97
Table 79
Freescale Semiconductor
SS25
SS26
SS28
SS30
SS32
SS34
SS35
SS36
SS40
SS41
(output)
ID
TXD
lists the UART RS-232 serial mode transmit timing characteristics.
depicts the transmit timing of UART in RS-232 serial mode, with 8 data bit/1 stop bit format.
(Tx/Rx) CK clock low period
(Tx/Rx) CK clock fall time
(Rx) CK high to FS (bl) high
(Rx) CK high to FS (bl) low
(Rx) CK high to FS (wl) high
(Rx) CK high to FS (wl) low
(Tx/Rx) External FS rise time
(Tx/Rx) External FS fall time
SRXD setup time before (Rx) CK low
SRXD hold time after (Rx) CK low
UART Electrical
UART RS-232 Serial Mode Timing
Table 78. SSI Receiver with External Clock Timing Parameters (continued)
Start
UA1
Bit
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 9
Figure 97. UART RS-232 Serial Mode Transmit Timing Diagram
Bit 0
Bit 1
Bit 2
Parameter
Bit 3
UA1
Bit 4
Bit 5
Bit 6
Bit 7
Possible
–10.0
–10.0
Min.
36.0
10.0
10.0
10.0
Par Bit
Parity
2.0
UA1
—
—
—
Bit
STOP
UA1
BIT
Max.
15.0
15.0
6.0
6.0
6.0
—
—
—
—
—
Next
Start
Bit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
121