S6E2C2 Datasheet, PDF (113/207 Pages) Cypress Semiconductor – 32-bit ARM® Cortex®-M4F FM4 Microcontroller

S6E2C2 Series
12.4 AC Characteristics
12.4.1 Main Clock Input Characteristics
(VCC = AVCC = 2.7V to 5.5V, VSS = AVSS = 0V, TA = -40C to +105C)
Parameter
Symbol
Pin
Name
Conditions
Value
Min
Max
Unit
Remarks
Input frequency
fCH
Input clock cycle
Input clock pulse width
Input clock rise time and
fall time
Internal operating clock ^*1
frequency
Internal operating clock ^*1
cycle time
tCYLH
-
tCF,
tCR
fCC
fCP0
fCP1
fCP2
tCYCC
tCYCP0
tCYCP1
tCYCP2
V_CC ≥4.5 V
4
V_CC < 4.5 V
4
48
20
MHz
When crystal oscillator is
connected
V_CC ≥4.5 V
4
V_CC < 4.5 V
4
48
20
MHz When using external clock
X0,
V_CC ≥4.5 V 20.83
250
X1
V_CC < 4.5 V
50
250
ns When using external clock
PWH/tCYLH,
PWL/tCYLH
45
55
% When using external clock
-
-
5
ns When using external clock
-
-
-
200 MHz Base clock (HCLK/FCLK)
-
-
-
100
MHz APB0bus clock ^*2
-
-
-
200
MHz APB1bus clock ^*2
-
-
-
100
MHz APB2bus clock ^*2
-
-
5
-
ns Base clock (HCLK/FCLK)
-
-
10
-
ns APB0bus clock ^*2
-
-
5
-
ns APB1bus clock ^*2
-
-
10
-
ns APB2bus clock ^*2
*1: For more information about each internal operating clock, see "CHAPTER 2-1: Clock" in FM4 Family Peripheral
Manual Main Part (002-04856).
*2: For more about each APB bus to which each peripheral is connected, see 8. Block Diagram in this data sheet.
X0
Document Number: 002-05030 Rev.*A
Page 113 of 207