C8051F964-A-GQ Silicon Labs, C8051F964-A-GQ Datasheet - Page 31
C8051F964-A-GQ
Manufacturer Part Number
C8051F964-A-GQ
Description
8-bit Microcontrollers - MCU 64KB DC-DC LCD AES
Manufacturer
Silicon Labs
Datasheet
1.C8051F960-A-GQ.pdf
(492 pages)
Specifications of C8051F964-A-GQ
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
Maximum Clock Frequency
24.5 MHz
Program Memory Size
64 KB
Data Ram Size
8 KB
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.8 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFP-80
Mounting Style
SMD/SMT
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1.3. Serial Ports
The C8051F96x Family includes an SMBus/I
configuration, and two Enhanced SPI interfaces. Each of the serial buses is fully implemented in hardware
and makes extensive use of the CIP-51's interrupts, thus requiring very little CPU intervention.
1.4. Programmable Counter Array
An on-chip Programmable Counter/Timer Array (PCA) is included in addition to the four 16-bit general pur-
pose counter/timers. The PCA consists of a dedicated 16-bit counter/timer time base with six programma-
ble capture/compare modules. The PCA clock is derived from one of six sources: the system clock divided
by 12, the system clock divided by 4, Timer 0 overflows, an External Clock Input (ECI), the system clock, or
the external oscillator clock source divided by 8.
Each capture/compare module can be configured to operate in a variety of modes: edge-triggered capture,
software timer, high-speed output, pulse width modulator (8, 9, 10, 11, or 16-bit), or frequency output. Addi-
tionally, Capture/Compare Module 5 offers watchdog timer (WDT) capabilities. Following a system reset,
Module 5 is configured and enabled in WDT mode. The PCA Capture/Compare Module I/O and External
Clock Input may be routed to Port I/O via the Digital Crossbar.
Capture/ Compare
Module 0
SYSCLK
SYSCLK 4
External Clock
ECI
SYSCLK
Timer Overflow
0
/12
/
/
8
Capture/ Compare
CLOCK
Module 1
MUX
PCA
Figure 1.12. PCA Block Diagram
16 -Bit Counter/Timer
Capture/ Compare
Port I/O
2
Module 2
C interface, a full-duplex UART with enhanced baud rate
Rev. 0.5
Crossbar
Capture/ Compare
Module 3
Capture/ Compare
Module 4
C8051F96x
Capture/ Compare
Module 5 / WDT
31
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