Datasheet

1−2
1.2 Functional Block Diagram
RSTI
8052
Core
8
6K y 8
ROM
8K y 8
SRAM
CPU − I/F
Susp/Res
UBM
USB Buffer
Manager
TDM
Control
Logic
USB
SIE
USB
HUB
8
8
88
USB0
Clock,
PLL
and
Dividers
12 MHz
8
2 y 16-Bit
Timers
I
2
C
Controller
8
8
Reset and
Interrupt
Logic
8 P0[7:0]
8 P1[7:0]
8 P2[7:0]
8 P3[7:0]
I
2
C Bus
Port-1
Port-2
Port-3
Port-4
USB1
USB2
INT1
Figure 1−1. TUSB2136 Block Diagram