STR911FM42X6 STMicroelectronics, STR911FM42X6 Datasheet - Page 62

• Manufacturer Part Number: STR911FM42X6
• Description: MCU 256K FLASH 96K SRA, USB CAM
• Manufacturer: STMicroelectronics
• Series: STR9r

Specifications of STR911FM42X6

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 96MHz
• Connectivity: CAN, I²C, Microwire, SPI, SSP, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 40
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 96K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 2 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-LQFP
• For Use With: MCBSTR9UME - BOARD EVAL MCBSTR9 + ULINK-MEMCBSTR9U - BOARD EVAL MCBSTR9 + ULINK2MCBSTR9 - BOARD EVAL STM STR9 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-5060; 497-5060-2; 497-5060-2; STR911FM42X6T

Electrical characteristics
6.14
6.14.1 10/100 Ethernet MAC electrical characteristics
62/73
Communication interface electrical characteristics
V
Ethernet MII Interface Timings
Figure 16. MII_RX_CLK and MII_TX_CLK timing diagram
Table 24.
Figure 17. MDC timing diagram
Table 25.
Ethernet MII management timings
Figure 18. Ethernet MII management timing diagram
DDQ
MII_RX_TCLK, MII_TX_CLK
Symbol
Symbol
= 2.7 - 3.6V, V
1
2
3
4
1
2
3
4
MDIO
output
MDIO
input
MDC
MDC
MII_RX_CLK and MII_TX_CLK timing table
MDC timing table
Cycle time
Pulse duration HIGH
Pulse duration LOW
Transition time
Cycle time
Pulse duration HIGH
Pulse duration LOW
Transition time
DD
= 1.65 - 2V, T
Parameter
Parameter
2
1
3
2
1
1
3
A
= -40 / 85 °C unless otherwise specified.
t
t
t
t
t
t
t
t
c
HIGH
LOW
t
c
HIGH
LOW
t
(CLK)
(MDC)
(CLK)
(MDC)
Symbol
Symbol
(CLK)
(MDC)
(CLK)
(MDC)
2
4
3
4
40%
40%
40%
40%
Min
Min
266
40
4
4
Value
Value
Max
60%
60%
Max
60%
60%
1
1
STR91xF
Unit
Unit
ns
ns
ns
ns