Datasheet

Electrical characteristics STPMC1
14/77 Doc ID 15728 Rev 7
Note: Typical value, not production tested.
Symbol Parameter Test conditions Min. Typ. Max. Unit
Crystal oscillator
V
IH
Input high voltage 1.2 V
V
IL
Input low voltage 0.6 V
I
in
Input current on XTAL2 V
CC
=5.3V -1 +1 µA
R
p
External resistor 1 4 MΩ
C
p
External capacitors 22 pF
f
XTAL1
Nominal output frequency
4.000 4.194 4.915
MHz
8.000 8.192 9.830
f
MCLK
Internal clock frequency see Ta ble 10 8.000 8.192 9.830 MHz
f
CLK
Output CLK pin frequency
HSA
= 0 f
XTAL1
/4
MHz
HSA
= 1 f
XTAL1
/2
SPI interface timing
F
SCLKr
Data read speed T
A
= 25°C 32 MHz
F
SCLKw
Data write speed T
A
= 25°C 100 kHz
t
DS
Data setup time 20 ns
t
DH
Data hold time 0 ns
t
ON
Data driver on time 20 ns
t
OFF
Data driver off time 20 ns
t
SYN
SYN active width 2/f
XTAL1
s
Table 7. Electrical characteristics (continued)