ST7263BK1 STMicroelectronics, ST7263BK1 Datasheet - Page 143

• Manufacturer Part Number: ST7263BK1
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BK1

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

ST7263Bxx
13.5
Table 62.
Symbol
t
t
WDGL
f
f
PORL
OSC
CPU
t
RL
Oscillator frequency
Operating frequency
External reset input pulse width
Internal power reset duration
Watchdog or low voltage reset
output pulse width
Figure 56. Typ. I
Clock and timing characteristics
Subject to general operating conditions for V
Table 61.
1. Data based on typical application software.
2. Time measured between interrupt event and interrupt vector fetch. Δt
Control timing characteristics
Symbol
t
c(INST)
t
v(IT)
needed to finish the current instruction execution.
Parameter
Instruction cycle time
Interrupt reaction time
t
v(IT)
General timings
= Δt
10
c(INST)
8
6
4
2
0
DD
Parameter
4
in Wait at f
+ 10 t
4.2
CPU
(2)
Doc ID 7516 Rev 8
CPU
Idd WFI (mA) at fcpu=4 and 8MHz
4.4
Conditions
= 4 and 8 MHz
f
f
CPU
CPU
4.6
=8 MHz
=8 MHz
Conditions
DD
Vdd (V)
, f
4.8
CPU
, and T
2520
4096
Min
200
-
-
5
c(INST)
A
.
1.25
Min
250
10
2
5.2
Typ.
Value
300
is the number of t
Electrical characteristics
-
-
-
-
Typ
8MHz
4MHz
375
5.4
3
ai15594
-
-
(1)
Max
24
8
-
-
-
1500
Max
2.75
CPU
12
22
cycles
MHz
MHz
t
143/186
Unit
CPU
ns
ns
Unit
t
t
CPU
CPU
ns
μs