C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 214
![no-image](/images/no-image-200.jpg)
C8051F537-ITR
Manufacturer Part Number
C8051F537-ITR
Description
8-bit Microcontrollers - MCU 2KB 12ADC 125C 20Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F536-ITR.pdf
(220 pages)
Specifications of C8051F537-ITR
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
2 KB
Data Ram Size
256 B
On-chip Adc
Yes
Package / Case
TSSOP-20
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
2500
Supply Voltage - Max
2.7 V, 5.25 V
Supply Voltage - Min
2 V, 2.7 V
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C8051F52x/F53x
21. C2 Interface
C8051F52x/F52xA/F53x/F53xA devices include an on-chip Silicon Laboratories 2-Wire (C2) debug inter-
face to allow Flash programming and in-system debugging with the production part installed in the end
application. The C2 interface uses a clock signal (C2CK) and a bi-directional C2 data signal (C2D) to trans-
fer information between the device and a host system. See the C2 Interface Specification for details on the
C2 protocol.
21.1. C2 Interface Registers
The following describes the C2 registers necessary to perform Flash programming functions through the
C2 interface. All C2 registers are accessed through the C2 interface as described in the C2 Interface Spec-
ification.
C2 Register Definition 21.1. C2ADD: C2 Address
C2 Register Definition 21.2. DEVICEID: C2 Device ID
214
Bits7–0: The C2ADD register is accessed via the C2 interface to select the target Data register for
This read-only register returns the 8-bit device ID: 0x11 (C8051F52x/F52xA/F53x/F53xA).
Address
0x00
0x01
0x02
0xB4
Bit7
Bit7
C2 Data Read and Data Write commands.
Description
Selects the Device ID register for Data Read instructions (DEVICEID)
Selects the Revision ID register for Data Read instructions (REVID)
Selects the C2 Flash Programming Control register for Data Read/Write instructions
(FPCTL)
Selects the C2 Flash Programming Data register for Data Read/Write instructions
(FPDAT)
Bit6
Bit6
Bit5
Bit5
Bit4
Bit4
Rev. 1.4
Bit3
Bit3
Bit2
Bit2
Bit1
Bit1
Bit0
Bit0
00000000
00010001
Reset Value
Reset Value
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