ST10F168SQ6 STMicroelectronics, ST10F168SQ6 Datasheet - Page 57

• Manufacturer Part Number: ST10F168SQ6
• Description: MCU 256KB FLASH 12K RAM 144-TQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10F168SQ6

• Core Processor: ST10
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: CAN, EBI/EMI, SSC, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 111
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-MQFP, 144-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

20.5.9 - Memory Cycle Variables
The tables below use three variables which are derived from the BUSCONx registers and which
represent the special characteristics of the programmed memory cycle. The following table describes
how these variables are computed.
20.5.10 - Multiplexed Bus
V
ALE cycle time = 6 TCL + 2t
specified.
Table 24 : Multiplexed bus characteristics
t
t
t
t
t
t
t
t
t
t
t
Symbol
DD
t
t
t
t
t
10
11
12
13
14
15
16
17
18
19
22
5
6
7
8
9
Symbol
= 5V 10%, V
t
t
t
A
C
F
CC ALE high time
CC Address setup to ALE
CC Address hold after ALE
CC ALE falling edge to RD, WR
CC ALE falling edge to RD, WR
CC Address float after RD, WR
CC Address float after RD, WR
CC RD, WR low time (with RW-delay)
CC RD, WR low time (no RW-delay)
SR RD to valid data in (with RW-delay)
SR RD to valid data in (no RW-delay)
SR ALE low to valid data in
SR Address / Unlatched CS to valid
SR Data hold after RD rising edge
SR Data float after RD
CC Data valid to WR
(with RW-delay)
(no RW-delay)
(with RW-delay)
(no RW-delay)
data in
ALE Extension
Memory Cycle Time wait states
Memory Tristate Time
SS
= 0V, for Q6 version : T
Parameter
1
A
+ t
C
1
1
+ t
F
(120ns at 25MHz CPU clock without wait states), unless otherwise
Description
A
Minimum
= -40, +85 C and for Q3 version T
-10 + t
10 + t
10 + t
10 + t
30 + t
50 + t
20 + t
Maximum CPU Clock
4 + t
–
–
–
–
–
–
0
–
A
A
A
A
C
C
C
A
25MHz
50 + 2t
40 + t
Maximum
20 + t
40 + t
26 + t
26
–
–
–
–
–
6
–
–
–
–
A
A
+ t
C
C
F
+ t
C
C
2TCL - 10 + t
3TCL - 10 + t
2TCL - 20 + t
TCL - 10 + t
TCL - 10 + t
TCL - 10 + t
TCL - 16+ t
Minimum
-10 + t
1/2 TCL = 1 to 25MHz
Variable CPU Clock
–
–
–
–
–
–
0
–
A
= -40, + 125 C, C
A
A
A
A
A
C
C
C
2TCL x (15 - <MCTC>)
2TCL x (1 - <MTTC>)
TCL x <ALECTL>
2TCL - 14 + t
2TCL - 20+ t
3TCL - 20+ t
Maximum
3TCL - 20
4TCL - 30
+ 2t
+ t
TCL + 6
Values
A
A
–
–
–
–
–
6
–
–
–
–
+ t
+ t
ST10F168
C
C
L
= 100pF,
C
C
F
57/74
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns