C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 90

• Manufacturer Part Number: C8051T322-GQR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-LQFP32
• Manufacturer: Silicon Labs

Specifications of C8051T322-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051T620/621/320/321/322/323
SFR Definition 15.2. EMI0CF: External Memory Configuration
SFR Address = 0x85
90
Name
Reset
5:0
Bit
Type
7
6
Bit
USBFAE
Unused
Unused
Name
R
7
0
Unused. Read = 0b; Write = Don’t Care
USB FIFO Access Enable.
0: USB FIFO RAM not available through MOVX instructions.
1: USB FIFO RAM available using MOVX instructions. The 1k of USB RAM will be
mapped in XRAM space at addresses 0x0400 to 0x07FF. The USB clock must be
active and greater than or equal to twice the SYSCLK (USBCLK > 2 x SYSCLK)
to access this area with MOVX instructions.
Unused. Read = 000011b; Write = Don’t Care
USBFAE
R/W
6
0
R
5
0
Rev. 1.1
R
4
0
Function
R
3
0
R
2
0
R
1
1
R
0
1