NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 84

• Manufacturer Part Number: NS7520B-1-I46
• Description: IC ARM MICROPROCESSOR 177BGA
• Manufacturer: Digi International
• Series: NET+ARM®r

Specifications of NS7520B-1-I46

• Applications: Network Processor
• Core Processor: ARM7
• Program Memory Type: External Program Memory
• Controller Series: -
• Ram Size: External
• Interface: EBI/EMI, Ethernet, DMA, SPI, UART
• Number Of I /o: 16
• Voltage - Supply: 1.4 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 177-LFBGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

7 2
G E N m o d u l e r e g i s t e r s
Table 27: Timer Control registers bit definition
D27
D26:00
Bits
R/W
R/W
Access
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
TCLK
ITC
Mnemonic
0
0
Reset
Timer clock source
0
1
Selects the reference clock for the timer module.
Initial timer count
Defines the TIMEOUT parameter for interrupt frequency.
The TIMEOUT period is a function of the F
Description
Use F
Use F
XTALE
SYSCLK
as timer clock source
as timer clock source
XTALE.