C8051F334-GMR Silicon Laboratories Inc, C8051F334-GMR Datasheet - Page 171

• Manufacturer Part Number: C8051F334-GMR
• Description: IC 8051 MCU 2K FLASH 20MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F334-GMR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• For Use With: 336-1451 - ADAPTER PROGRAM TOOLSTICK F330
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Master Mode Timing
T
T
T
T
Slave Mode Timing
T
T
T
T
T
T
T
T
T
T
*Note: T
MCKH
MCKL
MIS
MIH
SE
SD
SEZ
SDZ
CKH
CKL
SIS
SIH
SOH
SLH
Parameter
SYSCLK
SCK High Time
SCK Low Time
MISO Valid to SCK Shift Edge
SCK Shift 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
Last SCK Edge to MISO Change 
(CKPHA = 1 ONLY)
is equal to one period of the device system clock (SYSCLK).
*
(See Figure 17.10 and Figure 17.11)
*
(See Figure 17.8 and Figure 17.9)
Table 17.1. SPI Slave Timing Parameters
Description
Rev. 1.7
C8051F330/1/2/3/4/5
1 x T
1 x T
1 x T
2 x T
2 x T
5 x T
5 x T
2 x T
2 x T
6 x T
SYSCLK
Min
SYSCLK
SYSCLK
SYSCLK
SYSCLK
—
—
SYSCLK
SYSCLK
SYSCLK
SYSCLK
—
SYSCLK
0
+ 20
4 x T
4 x T
4 x T
8 x T
Max
—
—
—
—
—
—
—
—
—
—
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
175