USB Microcontroller with 64K Bytes Flash Memory Specification Sheet

2
4173ES–USB–09/07
AT89C5132
3. Block Diagram
Figure 3-1. AT89C5132 Block Diagram
Notes: 1. Alternate function of Port 3
2. Alternate function of Port 4
3. Alternate function of Port 1
8-BIT INTERNAL BUS
Clock and PLL
Unit
C51 (X2 CORE)
RAM
2304 Bytes
Flash
Interrupt
Handler Unit
FILT X2X1
MMC
Interface
I/O
MDAT
P0 - P5
10-bit A-to-D
Converter
V
SS
V
DD
Keyboard
Interface
KIN3:0
I
2
S/PCM
Audio Interface
AVSSAV
DD
AIN1:0
Ports
INT0 INT1 MOSIMISO
Timers 0/1
T1T0
SPI/DataFlash
Controller
MCLK
MCMD
SCK
RST
AREF
DSELDCLK SCLKDOUT
64K Bytes
USB
Controller
D+ D-
UART
RXDTXD
IDE
Interface
SS
Watchdog
Flash Boot
4K Bytes
UVSSUV
DD
and
BRG
11
11 112222
3
TWI
Controller
SCL SDA
11