SPEAR320-2 STMicroelectronics, SPEAR320-2 Datasheet - Page 70

• Manufacturer Part Number: SPEAR320-2
• Description: IC MPU ARM9 289LFBGA
• Manufacturer: STMicroelectronics
• Series: SPEAr®r

Specifications of SPEAR320-2

• Processor Type: ARM Microprocessor
• Speed: 333MHz
• Voltage: 1.14 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 289-LFBGA
• Processor Series: SPEAr320
• Core: ARM926EJ-S
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 333 MHz
• Operating Supply Voltage: 1.2 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Data Ram Size: 8 KB
• Interface Type: I2C, UART, USB, Serial
• Number Of Programmable I/os: 102
• Number Of Timers: 4
• Program Memory Size: 32 KB
• Program Memory Type: ROM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-10843

Timing requirements
7.8
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Table 48.
Figure 44. SPI master mode external timing (clock phase = 1)
UART timing characteristics
Figure 45. UART transmit and receive timings
No.
10
11
(Clock Polarity = 0)
(Clock Polarity = 1)
td
CLKH/L)
t
(CLKH/L-
d(ENL-
ENH)
Switching characteristics over recommended operating conditions for
SPI master mode (clock phase =1 ) (continued)
SSP_MOSI
SSP_SCLK
SSP_SCLK
SSP_MISO
SSP_CSn
(Output)
edge to first SSP_CLK (output) rising or
(Input)
falling edge to SSP_CSn (output) rising
Delay time, SSP_CLK (output) rising or
Delay time, SSP_CSn (output) falling
Parameters
Doc ID 16755 Rev 4
falling edge
edge
Min
T/2
T
Max
SPEAr320
Unit
ns
ns