ST10R172LT6 STMicroelectronics, ST10R172LT6 Datasheet - Page 50

• Manufacturer Part Number: ST10R172LT6
• Description: IC MCU 16BIT LV ROMLESS 100-TQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10R172LT6

• 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: -40°C ~ 85°C
• Package / Case: 144-TQFP, 144-VQFP
• Processor Series: ST10R1x
• 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: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: In Transition
• Other names: 497-2044

ST10R172L - ELECTRICAL CHARACTERISTICS
15.3.4 Demultiplexed Bus
50/68
1
V
ALE cycle time = 4 TCL + 2
Parameter
ALE high time
Address (P1, P4), BHE
setup to ALE
Address setup to RD, WR
(with RW-delay)
Address setup to RD, WR
(no RW-delay)
RD, WR low time
(with RW-delay)
RD, WR low time
RD to valid data in
RD to valid data in
ALE low to valid data in
Address to valid data in
Data hold after RD
rising edge
Data float after RD rising
edge (with RW-delay)
Data float after RD rising
edge (no RW-delay)
Data valid to WR
(no RW-delay)
(with RW-delay)
(no RW-delay)
DD
= 3.3 V
0.3 V
1 2
1) 2)
V
SS
t
A
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
+
5
6
80
81
12
13
14
15
16
17
18
20
21
22
= 0 V
t
C
Table 15 Demultiplexed bus
+
CC
CC
CC
CC
CC
CC
SR
SR
SR
SR
SR
SR
SR
CC
t
F
(40 ns at 50 MHz CPU clock without waitstates)
Max CPU Clock 50MHz
min.
7 +
3 +
13 +
3 +
13 +
23 +
–
–
–
–
0
–
–
13 +
t
t
2t
A
A
2t
t
t
t
C
C
C
A
A
T
A
max.
–
–
–
–
–
–
5 +
15 +
15 +
20 + 2
t
–
15
+
5 +
2
–
C
= -40°C to +85 °C
t
A
t
F
2
t
t
+ 2
C
F
t
t
C
A
+
t
A
t
+
A
+
2
t
C
Variable CPU Clock
1/2TCL = 1 to 50 MHz
min.
TCL - 3 +
TCL - 7 +
2TCL - 7 +
TCL - 7 +
2TCL - 7 +
3TCL - 7 +
–
–
–
–
0
–
–
2TCL - 7 +
C
t
t
2t
A
A
2t
t
t
t
L
C
C
C
A
A
= 50 pF
max.
–
–
–
–
–
–
2TCL - 15
+
3TCL - 15
+
3TCL - 15
+
4TCL - 20
+ 2
–
2TCL - 5
+
TCL - 5
+
–
t
t
t
t
t
C
C
A
F
F
t
A
+ 2
+ 2
+
+
t
C
t
t
t
A
A
C
2
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns