ST10R272LT1/TR STMicroelectronics, ST10R272LT1/TR Datasheet - Page 54

• Manufacturer Part Number: ST10R272LT1/TR
• Description: MCU 16BIT ROMLESS LV 100-TQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10R272LT1/TR

• Core Processor: ST10
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, SSP, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 77
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-TQFP, 100-VQFP
• Processor Series: ST10R2x
• Core: ST10
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: SSP, USART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 77
• Number Of Timers: 5
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

ST10R272L - ELECTRICAL CHARACTERISTICS
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1
Parameter
RdCS to Valid Data In
(with RW delay)
RdCS to Valid Data In
(no RW delay)
RdCS, WrCS Low Time
(with RW delay)
RdCS, WrCS Low Time
(no RW delay)
Data valid to WrCS
Data hold after RdCS
Data float after RdCS
Address hold after
RdCS, WrCS
Data hold after WrCS
1) Output loading is specified using Figure 13 (CL = 5 pF).
2) This delay assumes that the following bus cycle is a multiplexed bus cycle. If next bus cycle
is demultiplexed, refer to demuxultiplexed equivalent AC timing.
1 2
Symbol
t
t
t
t
t
t
t
t
t
46
47
48
49
50
51
52
54
56
SR –
SR –
CC 13 +
CC 23 +
CC 10 +
SR 0
SR –
CC 10 +
CC 10 +
Table 17 Multiplexed bus
Max. CPU Clock
= 50 MHz
min.
t
t
t
t
t
C
C
C
F
F
max.
3 +
13 +
–
–
–
–
13 +
–
–
t
C
t
t
C
F
2
Variable CPU Clock
1/2TCL = 1 to 50 MHz
min.
–
–
2TCL - 7+
3TCL - 7+
2TCL - 10 +
0
–
2TCL - 10 +
2TCL - 10 +
t
t
C
C
t
t
t
C
F
F
max.
2TCL - 17
+
3TCL - 17
+
–
–
–
–
2TCL - 7 +
–
–
t
t
C
C
t
F
2
ns
ns
ns
ns
ns
ns
ns
ns
ns