C8051F045R Silicon Labs, C8051F045R Datasheet - Page 321
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C8051F045R
Manufacturer Part Number
C8051F045R
Description
8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F044R.pdf
(328 pages)
Specifications of C8051F045R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
4.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
13
Data Rom Size
64 KB
Interface Type
CAN, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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25.1.1. EXTEST Instruction
The EXTEST instruction is accessed via the IR. The Boundary DR provides control and observability of all
the device pins as well as the Weak Pullup feature. All inputs to on-chip logic are set to logic 1.
25.1.2. SAMPLE Instruction
The SAMPLE instruction is accessed via the IR. The Boundary DR provides observability and presetting of
the scan-path latches.
25.1.3. BYPASS Instruction
The BYPASS instruction is accessed via the IR. It provides access to the standard JTAG Bypass data reg-
ister.
25.1.4. IDCODE Instruction
The IDCODE instruction is accessed via the IR. It provides access to the 32-bit Device ID register.
EXTEST provides access to both capture and update actions, while Sample only performs a capture.
Bit
75, 77, 79, 81, 83,
85, 87, 89
90, 92, 94, 96, 98,
100, 102, 104
91, 93, 95, 97, 99,
101, 103, 105
106, 108, 110, 112,
114, 116, 118, 120
107, 109, 111, 113,
115, 117, 119, 121
122, 124, 126, 128,
130, 132, 134, 136
123, 125, 127, 129,
131, 133, 135, 137
Table 25.1. Boundary Data Register Bit Definitions (Continued)
Capture P4.n input from pin
Update
Capture P5.n output enable from MCU
Update
Capture P5.n input from pin
Update
Capture P6.n output enable from MCU
Update
Capture P6.n input from pin
Update
Capture P7.n output enable from MCU
Update
Capture P7.n input from pin
Update
Action
Target
P4.n output to pin
P5.n output enable to pin
P5.n output to pin
P6.n output enable to pin
P6.n output to pin
P7.n output enable to pin
P7.n output to pin
Rev. 1.5
C8051F040/1/2/3/4/5/6/7
319
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