73S1215F Maxim, 73S1215F Datasheet - Page 24

• Manufacturer Part Number: 73S1215F
• Description: The Teridian 73S1215F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
• Manufacturer: Maxim

24
X32OUT
X12OUT
X32IN
X12IN
CPUCKDiv
MCount(2:0)
12.00MHz
32768Hz
32KOSCenb
Figure 3: Clock Generation and Control Circuits
HIGH
XTAL
XTAL
LOW
OSC
OSC
SCCKenb
See SC Clock descriptions for more accurate diagram
Prescaler 6bits
Prescaler 6bits
CPU CLOCK
HCLK
DIVIDER
SC/SCE
CLOCK
CLOCK
SCLK
6 bits
DIVIDE
DIVIDE
by 120
by 96
LCLK=32768Hz
12.00MHz
HOSCen
Phase
Freq
DET
M DIVIDER
/(2*N + 4)
1.5-48MHz
7.386MHz
SELSC
VCO
SEL
MCLK
96MHz
ETU CLOCK
DIVIDER
12 bits
LMCLK=32765Hz
USBCKenb
Mux
DIVIDER
MPU CLOCK - CPCLK
SMART CARD LOGIC
/2930
div 2
BLOCK CLOCK
DIV
32
RTCCLK
KEYCLK
ETUCLK
SCECLK
I2CCLK
USBCLK
CLK1M
3.6923MHz
SCCLK
I2C_2x
7.386MHz
48MHz
1kHz
ICLK
400kHz
800kHz
1MHz
Rev. 1.4