at75c220 ATMEL Corporation, at75c220 Datasheet - Page 136

• Manufacturer Part Number: at75c220
• Description: Smart Internet Appliance Processor Siap
• Manufacturer: ATMEL Corporation

SPI Receive Pointer Register
Register Name:SP_RPR
Access Type:Read/write
Reset Value:0x0
•
SPI Receive Counter Register
Register Name:SP_CPR
Access Type:Read/write
Reset Value:0x0
•
136
RXPTR: Receive Pointer
RXCTR: Receive Counter Register
RXPTR must be loaded with the address of the receive buffer.
RXCTR must be loaded with the size of the receive buffer.
0 = Stop peripheral data transfer
1 - 4294967295 = Start peripheral data transfer if RDRF is active.
31
23
15
31
23
15
7
7
30
22
14
30
22
14
6
6
AT75C220
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
RXPTR
RXPTR
RXPTR
RXPTR
RXCTR
RXCTR
RXCTR
RXCTR
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
24
16
24
16
8
0
8
0