Maxim Integrated 73S12xxF Software - Manual (Page 9)

UG_12xxF_016
73S12xxF Software User Guide
Rev. 1.50 9
Application
Low Level API - Core
Hardware
73S12xxF
PC
Embedded
Application
TSC Serial Pseudo -
CCID Application
(32K)
USB CCID Driver or
COM port Driver
size: 12K
USB
COM / SLIP Message
P
ro
to
co
l L
ay
er
D
ev
ic
e
La
ye
r
A
pp
lic
at
io
n
La
ye
r
IC
C
14K
TSC USB CCID
Application
(36K)
C
O
M
SC LAPI (Internal
slot only)
SC LAPI (Internal
or I2C interface)
size: < 1K Size: 2K
Figure 1: Software Architecture Diagram
(Sizes indicated are approximate)