C8051F530-IMR Silicon Labs, C8051F530-IMR Datasheet - Page 163

• Manufacturer Part Number: C8051F530-IMR
• Description: 8-bit Microcontrollers - MCU 8KB 12ADC 125C
• Manufacturer: Silicon Labs

Specifications of C8051F530-IMR

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Package / Case: QFN EP
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 16
• Interface Type: SPI, UART
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• On-chip Dac: No
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 1500
• Supply Voltage - Max: 2.7 V, 5.25 V
• Supply Voltage - Min: 2 V, 2.7 V

Table 16.1. SPI Slave Timing Parameters
Master Mode Timing* (See Figure 16.6 and Figure 16.7)
Slave Mode Timing* (See Figure 16.8 and Figure 16.9)
Note: T
Parameter
T
T
T
T
T
T
T
T
T
T
MCKH
T
MCKL
T
T
CKH
CKL
SOH
SEZ
SDZ
MIS
MIH
SIS
SIH
The maximum possible frequency of the SPI can be calculated as: 
Transmission: SYSCLK/2 
Reception: SYSCLK/10
SE
SD
SYSCLK
is equal to one period of the device system clock (SYSCLK) in ns. 
SCK High Time
SCK Low Time
MISO Valid to SCK Sample Edge
SCK Sample Edge to MISO Change
NSS Falling to First SCK Edge
Last SCK Edge to NSS Rising
NSS Falling to MISO Valid
NSS Rising to MISO High-Z
SCK High Time
SCK Low Time
MOSI Valid to SCK Sample Edge
SCK Sample Edge to MOSI Change
SCK Shift Edge to MISO Change
Description
Rev. 1.4
1 x T
1 x T
2 x T
2 x T
5 x T
5 x T
2 x T
2 x T
C8051F52x/F53x
Min
20
SYSCLK
SYSCLK
SYSCLK
SYSCLK
—
—
SYSCLK
SYSCLK
SYSCLK
SYSCLK
—
0
4 x T
4 x T
4 x T
Max
—
—
—
—
—
—
SYSCLK
SYSCLK
—
—
—
—
SYSCLK
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
163