STR91XFA STMICROELECTRONICS [STMicroelectronics], STR91XFA Datasheet - Page 9

• Manufacturer Part Number: STR91XFA
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STR91xFA
Figure 1.
To Ethernet
PHY (MII) **
USB Bus
3.0 or 3.3V
EMI Ctrl
VBATT
GND
GND
4 MHz to 25
1.8V
MHz XTAL
STR91xFA block diagram
* USB not available on STR910
** Ethernet MAC not available on STR910 and STR911
*** EMI not available on LQFP80
**** Only 40 GPIOs on LQFP80
CORE SUPPLY, VDD
CORE GND, VSS
I/O SUPPLY, VDDQ
I/O GND, VSSQ
BACKUP
SUPPLY
16
STR91xA
STR91x
RTC
Programmable Vectored
PLL, Power Management,
Programmable Vectored
MAC, 10/100
Interrupt Controllers
and Supervisory Reset
Ethernet**
Endpoints with FIFOs
Muxed Address/Data
USB* Full Speed, 10
Programmable DMA
Interrupt Controller
Interface (EMI)***,
External Memory
Controller (8 ch.)
64K or 96K
Data TCM
Interface
Arbiter
SRAM
Byte
Control Logic / BIU and Write Buffer
Dedicated
AMBA / AHBA Interface
DMA
RISC CPU Core
ARM966E-S
Stacked Burst Flash Memory Die
Main Flash 256K,
or 512K Bytes
Request
Ext Re q
Timers,
UART,
ADC
AHB
APB
from
SPI,
I2C,
32
to
Burst Interface
Burst Interface
Pre-Fetch Que
Instruction
and Branch
JTAG ISP
Interface
Cache
TCM
(4) 16-bit Timers,
(3) UART w/ IrDA
8 Channel 10-bit
Real Time Clock
CAPCOM, PWM
Watchdog Tmr
Motor Control,
3-ph Induction
(80) GPIO****
32K Bytes
CAN 2.0B
2
Wake Up
nd
(2) I2C
(2) SPI
ADC
Debug
JTAG
ETM
Flash
and
ETM
48
Functional overview
JTAG
32.768 kHz
AVDD
AVREF*
AVSS
XTAL
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