W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 173
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W90221X
Manufacturer Part Number
W90221X
Description
Pa-risc Embedded Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W90221X.pdf
(220 pages)
- Current page: 173 of 220
- Download datasheet (3Mb)
Bit 12-15 Words per Frame
Low Configuration Register (CFGL)
Port address : 0xf0000386
Bit 0-7
Bit 8-15
Control Register (CTRL)
Port address : 0xf0000388
0x0000
Bits 0 Device reset
automatically after 1 EXTCLK.
W90221X version 0.6
IntTXen IntERRe
DVRST TXRST RXRST
0
8
0
8
if 15 < SLEN[0:4] <= 31, FIFO will be configured as 24x32.
This is a self-clear bit, ie. set this bit to 1, it will be clear to 0
Bits per frame = BPF[0:7] + 1. (max. 256 bits/frame)
Number of bits per frame
On master mode,the SCLK is an output and its frequency is
Words per frame = WPF[0:3] + 1. (max. 16 words/frame)
Serial clock divider
1
9
SCLK frequency = EXTCLK / (2*(SCLKDIV+1))
1
9
n
10
10
2
2
SCLKDIV[0:7]
11
11
RXTH[0:1]
3
3
BPF[0:7]
Read/write
Read/Write
12
12
4
4
Reserved
Power-on Default : 0x0000
13
13
5
5
TXTH[0:1]
Power-on Default :
14
14
6
6
IntRxen
15
15
7
7
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