AT89C5132-ROTIL Atmel, AT89C5132-ROTIL Datasheet - Page 122
![IC 8051 MCU FLASH 64K USB 80TQFP](/photos/12/13/121358/313-80-tqfp_sml.jpg)
AT89C5132-ROTIL
Manufacturer Part Number
AT89C5132-ROTIL
Description
IC 8051 MCU FLASH 64K USB 80TQFP
Manufacturer
Atmel
Series
AT89C513xr
Datasheets
1.AT89C5132-ROTUL.pdf
(182 pages)
2.AT89C5132-ROTUL.pdf
(38 pages)
3.AT89C5132-ROTIL.pdf
(33 pages)
Specifications of AT89C5132-ROTIL
Core Processor
C52X2
Core Size
8-Bit
Speed
20MHz
Connectivity
IDE/ATAPI, I²C, MMC, PCM, SPI, UART/USART, USB
Peripherals
I²S, POR, WDT
Number Of I /o
44
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 2x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Figure 19-4. SPI Slave Mode Block Diagram
Note:
19.1.3
19.1.4
122
MSTR bit in SPCON is cleared to select slave mode.
AT89C5132
Bit Rate
Data Transfer
MISO/P4.2
MOSI/P4.1
SCK/P4.2
SS/P4.3
In case of the AT89C5132 is the only slave on the bus, it can be useful not to use SS pin and get
it back to I/O functionality. This is achieved by setting SSDIS bit in SPCON. This bit has no effect
when CPHA is cleared (see Section "SS Management", page 123).
The bit rate can be selected from seven predefined bit rates using the SPR2, SPR1 and SPR0
control Bits in SPCON according to Table 97. These bit rates are derived from the peripheral
clock (F
page 12.
Table 97. Serial Bit Rates
Notes:
The Clock Polarity bit (CPOL in SPCON) defines the default SCK line level in idle state
the Clock Phase bit (CPHA in SPCON) defines the edges on which the input data are sampled
and the edges on which the output data are shifted (see Figure 19-5 and Figure 19-6). The SI
signal is output from the selected slave and the SO signal is the output from the master. The
SPR2
0
0
0
0
1
1
1
1
PER
1. These frequencies are achieved in X1 mode, F
2. These frequencies are achieved in X2 mode, F
SPR1
0
0
1
1
0
0
1
1
) issued from the Clock Controller block as detailed in Section “Clock Controller”,
SPCON.5
SSDIS
SPR0
0
1
0
1
0
1
0
1
Control and Clock Logic
6 MHz
46.875
187.5
93.75
3000
1500
6000
SPCON.2
750
375
CPHA
(1)
8 MHz
4000
2000
1000
8000
62.5
500
250
125
SPCON.3
CPOL
(1)
10 MHz
Bit Rate (kHz) Vs F
156.25
78.125
10000
312.5
5000
2500
1250
625
(1)
I
SPSTA.7
SPIF
12 MHz
8-bit Shift Register
PER
PER
12000
187.5
93.75
6000
3000
1500
750
375
SPDAT RD
SPDAT WR
= F
= F
(2)
PER
OSC
OSC
16 MHz
.
÷ 2.
16000
8000
4000
2000
1000
500
250
125
(2)
Q
20 MHz
156.25
10000
20000
312.5
5000
2500
1250
625
(2)
4173E–USB–09/07
F
PER
128
Divider
16
32
64
(1)
2
4
8
1
while
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