MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 528

• Manufacturer Part Number: MOD5234-100IR
• Description: MOD5234 10/100 ETHERNET MODULE
• Manufacturer: NetBurner Inc
• Type: Controllers & Processorsr

Specifications of MOD5234-100IR

• Interface: I²C, SPI, UART
• Voltage - Supply: 2.5V
• Mounting Type: Surface Mount
• Package / Case: Module
• Product: Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Format: -
• Baud Rates: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4483564

Queued Serial Peripheral Interface (QSPI) Module
A write to QDR causes data to be written to the RAM entry specified by QAR[ADDR]. This also
causes the value in QAR to increment.
Correspondingly, a read at QDR returns the data in the RAM at the address specified by
QAR[ADDR]. This also causes QAR to increment. A read access requires a single wait state.
25.3.5 QSPI Address Register (QAR)
The QAR, shown in
write operations affect.
25.3.6 QSPI Data Register (QDR)
The QDR, shown in
writes all data from and to the QSPI RAM through this register.
25.3.7 Command RAM Registers (QCR0–QCR15)
The command RAM is accessed using the upper byte of QDR. The QSPI cannot modify
information in command RAM.
There are 16 bytes in the command RAM. Each byte is divided into two fields. The chip select
field enables external peripherals for transfer. The command field provides transfer operations.
25-14
Address
Address
Reset
Reset
W
W
R
R
15
15
0
0
0
The QAR does not wrap after the last queue entry within each section
of the RAM. The application software must handle address range
errors.
14
14
0
0
0
Figure
Figure
13
13
0
0
0
Figure 25-9. QSPI Data Register (QDR)
12
12
25-8, is used to specify the location in the QSPI RAM that read and
0
0
0
25-9, is used to access QSPI RAM indirectly. The CPU reads and
Figure 25-8. QSPI Address Register
11
11
0
0
0
MCF5235 Reference Manual, Rev. 2
10
10
0
0
0
IPSBAR + 0x00_0350
IPSBAR + 0x00_0354
0
0
0
9
9
NOTE
0
0
0
8
8
DATA
0
0
0
7
7
6
0
0
6
0
0
0
5
5
0
0
4
4
0
0
3
3
ADDR
Freescale Semiconductor
0
0
2
2
0
0
1
1
0
0
0
0