Rainbow Electronics T89C51CC02 - Manual (Page 2)

2 Rev.A - May 17, 2001
Preliminary
T89C51CC02
* At BRP = 1 sampling point will be fixed.
** Ask for availability
3. Block Diagram
Timer 0 INT
RAM
256x8
T0 T1
RxD TxD
XTAL2
XTAL1
UART
CPU
Timer 1
INT1
Ctrl
INT0
C51
CORE
P2
(2)
Port 1 Port 2 Port 3
Parallel I/O Ports & Ext. Bus
P1
(1)
P3
ERAM
256x8
IB-bus
PCA
RESET
Watch
Dog
PCA ECI Vss Vcc
(1): 8 analog Inputs / 8 Digital I/O
Timer2
T2EX T2
Port 4
P4
(2)
10 bit
ADC
Flash
16kx
8
Boot
loader
2kx8
EE
PROM
2kx8
CAN
CONTROLLER
TxDC RxDC
(2): 2-Bit I/O Port