C8051F369-GM Silicon Laboratories Inc, C8051F369-GM Datasheet - Page 146
C8051F369-GM
Manufacturer Part Number
C8051F369-GM
Description
IC 8051 MCU 16K FLASH 28-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F36xr
Specifications of C8051F369-GM
Program Memory Type
FLASH
Program Memory Size
16KB (16K x 8)
Package / Case
28-QFN
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 17x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F360DK
Minimum Operating Temperature
- 40 C
On-chip Adc
21-ch x 10-bit
On-chip Dac
1-ch x 10-bit
A/d Bit Size
10 bit
A/d Channels Available
21
Height
0.83 mm
Length
5 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Width
5 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1410 - KIT DEV FOR C8051F360 FAMILY
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1651
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F369-GM
Manufacturer:
Silicon Labs
Quantity:
135
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C8051F360/1/2/3/4/5/6/7/8/9
The replacement algorithm is selected with the Cache Algorithm bit, CHALGM (CCH0TN.3). When
CHALGM is cleared to ‘0’, the cache will use the rebound algorithm to replace cache locations. The
rebound algorithm replaces locations in order from the beginning of cache memory to the end, and then
from the end of cache memory to the beginning. When CHALGM is set to ‘1’, the cache will use the
pseudo-random algorithm to replace cache locations. The pseudo-random algorithm uses a pseudo-ran-
dom number to determine which cache location to replace. The cache can be manually emptied by writing
a ‘1’ to the CHFLUSH bit (CCH0CN.4).
14.2. Cache and Prefetch Optimization
By default, the branch target cache is configured to provide code speed improvements for a broad range of
circumstances. In most applications, the cache control registers should be left in their reset states.
Sometimes it is desirable to optimize the execution time of a specific routine or critical timing loop. The
branch target cache includes options to exclude caching of certain types of data, as well as the ability to
pre-load and lock time-critical branch locations to optimize execution speed.
The most basic level of cache control is implemented with the Cache Miss Penalty Threshold bits, CHM-
STH (CCH0TN.1–0). If the processor is stalled during a prefetch operation for more clock cycles than the
number stored in CHMSTH, the requested data will be cached when it becomes available. The CHMSTH
bits are set to zero by default, meaning that any time the processor is stalled, the new data will be cached.
If, for example, CHMSTH is equal to 2, any cache miss causing a delay of 3 or 4 clock cycles will be
cached, while a cache miss causing a delay of 1–2 clock cycles will not be cached.
146
Prefetch Data
Cache Data
A14
TAG = 13 MSBs of Absolute FLASH Address
Figure 14.2. Branch Target Cache Organization
Valid
V27
V28
V29
V30
V31
VL
V0
V1
V2
Bit
LINEAR TAG
Address
TAG 27
TAG 28
TAG 29
TAG 30
TAG 31
TAG 0
TAG 1
TAG 2
Rev. 1.0
A2
A1 A0
0
0
1
1
LINEAR SLOT
0
1
0
1
SLOT 27
SLOT 28
SLOT 29
SLOT 30
SLOT 31
SLOT 0
SLOT 1
SLOT 2
Data
SLOT = 4 Instruction
Data Bytes
Byte 0
Byte 1
Byte 2
Byte 3
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