AT89C5132-RORUL Atmel, AT89C5132-RORUL Datasheet - Page 145
![MCU 8051 FLASH USB 80TQFP](/photos/12/13/121358/313-80-tqfp_sml.jpg)
AT89C5132-RORUL
Manufacturer Part Number
AT89C5132-RORUL
Description
MCU 8051 FLASH USB 80TQFP
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5132-RORUL
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
Lead free / RoHS Compliant
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Manufacturer
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20.2
4173E–USB–09/07
Registers
Table 26. SSCON Register
SSCON (S:93h) – Synchronous Serial Control Register
Reset Value = 0000 0000b
Table 27. SSSTA Register
SSSTA (S:94h) – Synchronous Serial Status Register
Bit Number
SSCR2
SSC4
7
7
6
5
4
3
2
1
0
7
Mnemonic
SSCR2
SSSTO
SSCR1
SSCR0
SSSTA
SSPE
SSPE
SSAA
SSC3
SSI
Bit
6
6
Description
Synchronous Serial Control Rate Bit 2
Refer to Table 19 for rate description.
Synchronous Serial Peripheral Enable Bit
Set to enable the controller.
Clear to disable the controller.
Synchronous Serial Start Flag
Set to send a START condition on the bus.
Clear not to send a START condition on the bus.
Synchronous Serial Stop Flag
Set to send a STOP condition on the bus.
Clear not to send a STOP condition on the bus.
Synchronous Serial Interrupt Flag
Set by hardware when a serial interrupt is requested.
Must be cleared by software to acknowledge interrupt.
Synchronous Serial Assert Acknowledge Flag
Set to enable slave modes. Slave modes are entered when SLA or GCA (if SSGC set) is
recognized.
Clear to disable slave modes.
Master Receiver Mode in progress
Master Transmitter Mode in progress
Slave Receiver Mode in progress
Slave Transmitter Mode in progress
Synchronous Serial Control Rate Bit 1
Refer to Table 19 for rate description.
Synchronous Serial Control Rate Bit 0
Refer to Table 19 for rate description.
SSSTA
SSC2
Clear to force a not acknowledge (high level on SDA).
Set to force an acknowledge (low level on SDA).
This bit has no specific effect when in master transmitter mode.
Clear to force a not acknowledge (high level on SDA).
Set to force an acknowledge (low level on SDA).
Clear to isolate slave from the bus after last data Byte transmission.
Set to enable slave mode.
5
5
SSSTO
SSC1
4
4
SSC0
SSI
3
3
SSAA
2
2
0
AT89C5132
SSCR1
1
1
0
SSCR0
0
0
0
145
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