C8051T603-GM Silicon Laboratories Inc, C8051T603-GM Datasheet - Page 160
![IC 8051 MCU 4K-EEPROM 11-QFN](/photos/12/25/122557/c8051t603-gm_sml.jpg)
C8051T603-GM
Manufacturer Part Number
C8051T603-GM
Description
IC 8051 MCU 4K-EEPROM 11-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051T60xr
Datasheet
1.C8051T600EDB.pdf
(188 pages)
Specifications of C8051T603-GM
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
8
Program Memory Size
4KB (4K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
11-QFN
Processor Series
C8051T6x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
I2C, SMBus, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
8
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051T600DK
Minimum Operating Temperature
- 40 C
For Use With
336-1404 - KIT DEV FOR C8051T60X MCU'S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
336-1656-5
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C8051T600/1/2/3/4/5/6
26. Programmable Counter Array
The Programmable Counter Array (PCA0) provides enhanced timer functionality while requiring less CPU
intervention than the standard 8051 counter/timers. The PCA consists of a dedicated 16-bit counter/timer
and three 16-bit Capture/Compare modules. Each Capture/Compare module has its own associated I/O
line (CEXn) which is routed through the Crossbar to Port I/O when enabled. The counter/timer is driven by
a programmable timebase that can select between six sources: system clock, system clock divided by four,
system clock divided by twelve, the external oscillator clock source divided by eight, Timer 0 overflows, or
an external clock signal on the ECI input pin. Each Capture/Compare module may be configured to oper-
ate independently in one of six modes: Edge-Triggered Capture, Software Timer, High-Speed Output, Fre-
quency Output, 8-Bit PWM, or 16-Bit PWM (each mode is described in Section “26.3. Capture/Compare
Modules” on page 163). The external oscillator clock option is ideal for real-time clock (RTC) functionality,
allowing the PCA to be clocked by a precision external oscillator while the internal oscillator drives the sys-
tem clock. The PCA is configured and controlled through the system controller's Special Function Regis-
ters. The PCA block diagram is shown in Figure 26.1
Important Note: The PCA Module 2 may be used as a Watchdog Timer (WDT), and is enabled in this
mode following a system reset. Access to certain PCA registers is restricted while WDT mode is
enabled. See Section 26.4 for details.
160
Figure 26.1. PCA Block Diagram
Capture/Compare
Module 0
SYSCLK/12
Timer 0 Overflow
SYSCLK
External Clock/8
SYSCLK/4
ECI
Crossbar
Port I/O
Rev. 1.2
Capture/Compare
Module 1
CLOCK
MUX
PCA
16-Bit Counter/Timer
Capture/Compare
Module 2 / WDT
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