ST10R172LT6 STMicroelectronics, ST10R172LT6 Datasheet - Page 63

• 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

15.3.7 External Hardware Reset
V
Parameter
Sync. RSTIN low time
RSTIN low to internal
reset sequence start
internal reset sequence,
(RSTIN internally pulled
low)
RSTIN rising edge to inter-
nal reset condition end
PORT0 system start-up
configuration setup to
RSTIN rising edge
PORT0 system start-up
configuration hold after
RSTIN rising edge
Bus signals drive from
internal reset end
RSTIN low to signals
release
ALE rising edge from inter-
nal reset condition end
Async. RSTIN low time
DD
1) On power-up reset, the RSTIN pin must be asserted until a stable clock signal is available
2) The value of bits 0 (EMU), 1 (ADAPT), 13 to 15 (Clock Configuration) are loaded during
= 3.3 V
(about 10...50 ms to allow the on-chip oscillator to stabilize) and until System Start-up Con-
figuration is correct on PORT0 (about 50 s for internal pullup devices to load 50 pF from
V
hardware reset as long as internal reset signal is active, and have an immediate effect on
the system.
IL
min to V
0.3 V
IH
2))
min).
1)
1
Symbol
t
t
t
t
t
t
t
t
t
t
70
71
72
73
74
75
76
77
78
79
Table 18 External hardware reset
V
SS
SR
CC
CC
CC
SR
SR
CC
CC
CC
SR
= 0 V
Max. CPU Clock
= 50 MHz
min.
50
4
1024
4
100
1
0
–
8
1500
ST10R172L - ELECTRICAL CHARACTERISTICS
T
A
max.
–
16
1024
6
–
6
20
50
8
–
= -40°C to +85 °C C
min.
Variable CPU Clock
1/2TCL = 1 to 50 MHz
4 TCL + 10
4
1024
4
100
1
0
–
8
1500
L
= 50 pF
max.
–
16
1024
6
–
6
20
50
8
–
ns
TCL
TCL
TCL
ns
TCL
ns
ns
TCL
ns
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