Product Specs

Table Of Contents
31 SPIM Serial peripheral interface master with
EasyDMA
Page
290
,CL
NT
Symbol Description Min. Typ. Max. Units
31.6.17 CONFIG
Address offset: 0x554
Configuration register
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
C
0
1
B
0
0
A
0
Id RW Field
Value Id
Value
Description
A
RW
ORDER
MsbFirst
0
Bit order
Most significant bit shifted out first
LsbFirst
1
Least significant bit shifted out first
B
RW
CPHA
Serial clock (SCK) phase
Leading
0
Sample on leading edge of clock, shift serial data on trailing
edge
Trailing
1
Sample on trailing edge of clock, shift serial data on leading
edge
C
RW
CPOL
Serial clock (SCK) polarity
ActiveHigh
0
Active high
ActiveLow
1
Active low
31.6.18 ORC
Address offset: 0x5C0
Over-read character. Character clocked out in case and over-read of the TXD buffer.
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
A
0
6
A
0
5
A
0
4
A
0
3
A
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW ORC Over-read character. Character clocked out in case and over-
read of the TXD buffer.
31.7 Electrical specification
31.7.1 SPIM master interface
f
SPIM
Bit rates for SPIM
25
8
26
Mbps
I
SPIM,2Mbps
Run current for SPIM, 2 Mbps
50
µA
I
SPIM,8Mbps
Run current for SPIM, 8 Mbps
50
µA
I
SPIM,IDLE
Idle current for SPIM (STARTed, no CSN activity)
1
µA
t
SPIM,START,LP
Time from START task to transmission started, low power mode
t
SPIM,START
+
µs
t
START_HFI
t
SPIM,START,CL
Time from START task to transmission started, constant latency
mode
1
µs
31.7.2 Serial Peripheral Interface Master (SPIM) electrical specifications
Symbol
Description
Min.
Typ.
Max.
Units
t
SPIM,CSCK,8Mbps
SCK period at 8Mbps
125
ns
t
SPIM,CSCK,4Mbps
SCK period at 4Mbps
250
ns
t
SPIM,CSCK,2Mbps
SCK period at 2Mbps
500
ns
25
Higher bit rates may require GPIOs to be set as High Drive, see GPIO chapter for more details.
26
The actual maximum data rate depends on the slave's CLK to MISO and MOSI setup and hold timings.