ST10R172LT6 STMicroelectronics, ST10R172LT6 Datasheet - Page 43

• 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

15.3.3 Multiplexed Bus
V
ALE cycle time = 6 TCL + 2
Parameter
ALE high time
Address (P1, P4), BHE
setup to ALE
Address (P0) setup to ALE
Address hold after ALE
ALE falling edge to RD,
WR (with RW-delay)
ALE falling edge to RD,
WR (no RW-delay)
Address float after RD,
(with RW-delay)
Address float after RD,
(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
(no RW-delay)
(with RW-delay)
(no RW-delay)
DD
= 3.3 V
1
0.3 V
1)
V
SS
t
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
A
5
6
6m
7
8
9
10
11
12
13
14
15
16
17
+
= 0 V
t
C
CC 7 +
CC 3 +
CC 5 +
CC 5 +
CC 5 +
CC -5 +
CC –
CC –
CC 13 +
CC 23 +
SR –
SR –
SR –
SR –
+
Table 14 Multiplexed bus
t
F
(60 ns at 50-MHz CPU clock without waitstates)
Max. CPU Clock
= 50 MHz
min.
t
t
t
t
t
A
A
A
A
A
t
t
t
A
C
C
ST10R172L - ELECTRICAL CHARACTERISTICS
T
max.
–
–
–
–
–
–
5
15
–
–
5 +
15 +
15
+
20
+ 2
A
1
t
= -40°C to +85 °C
1
A
t
t
A
C
+
t
C
+
t
C
t
C
Variable CPU Clock
1/2TCL = 1 to 50 MHz
min.
TCL - 3 +
TCL - 7 +
TCL - 5 +
TCL - 5 +
TCL - 5 +
-5 +
–
–
2TCL - 7+
3TCL - 7 +
–
–
–
–
t
A
t
t
t
t
t
A
A
A
A
A
t
C
t
C
C
L
= 50 pF
max.
–
–
–
–
–
–
5
TCL + 5
–
–
2TCL - 15
+
3TCL - 15
+
3TCL - 15
+
4TCL - 20
+ 2
1
t
t
t
C
C
A
t
A
+
+
t
C
t
1
C
43/68
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1