NO:
W90P710 Programming Guide
VERSION:
2.1
PAGE:
21
The above information is the exclusive intellectual property of Winbond Electronics and shall not be disclosed,
distributed or reproduced without permission from Winbond.
Table No.: 1200-0003-07-A
1.1.10 2
Channel
AC97/I2S
Audio Codec Host Interface
•
AHB master port and an AHB slave port are offered in audio controller
•
Always 8-beat incrementing burst
•
Always bus lock when 8-beat incrementing burst
•
When reach middle and end address of destination address, a DMA_IRQ is
requested to CPU automatically
1.1.11 UART
•
Four UART (serial I/O) blocks with interrupt-based operation
•
Support for 5-bit, 6-bit, 7-bit or 8-bit serial data transmit and receive
•
Programmable baud rates
•
1, ½ or 2 stop bits
•
Odd or even parity
•
Break generation and detection
•
Parity, overrun and framing error detection
•
X16
clock
mode
•
Support for Bluetooth, IrDA and Micro-printer control
1.1.12 Timers
•
Two programmable 24-bit timers with 8-bit pre-scalar
•
One programmable 24-bit Watch-Dog timer
•
One-short mode, period mode or toggle mode operation
1.1.13 Advanced
Interrupt
Controller
•
31 interrupt sources, including 4 external interrupt sources
•
Programmable normal or fast interrupt mode (IRQ, FIQ)
•
Programmable as either edge-triggered or level-sensitive for 4 external interrupt sources
•
Programmable as either low-active or high-active for 4 external interrupt sources
•
Priority methodology is encoded to allow for interrupt daisy-chaining
•
Automatically mask out the lower priority interrupt during interrupt nesting
•
Automatically clear the interrupt flag when the interrupt source is programmed to be edge-
triggered