STC micro STC8A8K64D4 Series - Timer 2 Is Used as Baud Rate Generator of UART4

STC8A8K64D4 Series Manual
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MOV P2M1, #00H
MOV P3M0, #00H
MOV P3M1, #00H
MOV P4M0, #00H
MOV P4M1, #00H
MOV P5M0, #00H
MOV P5M1, #00H
LCALL UART3_INIT
MOV IE2,#08H
SETB EA
MOV DPTR,#STRING
LCALL UART3_SENDSTR
LOOP:
MOV A,RPTR
XRL A,WPTR
ANL A,#0FH
JZ LOOP
MOV A,RPTR
ANL A,#0FH
ADD A,#BUFFER
MOV R0,A
MOV A,@R0
LCALL UART3_SEND
INC RPTR
JMP LOOP
STRING: DB 'Uart Test !',0DH,0AH,00H
END
13.5.22 Timer 2 is used as baud rate generator of UART4
C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
#define FOSC 11059200UL
#define BRT (65536 - FOSC / 115200 / 4)
sfr AUXR = 0x8e;
sfr T2H = 0xd6;
sfr T2L = 0xd7;
sfr S4CON = 0x84;
sfr S4BUF = 0x85;
sfr IE2 = 0xaf;
sfr P0M1 = 0x93;
sfr P0M0 = 0x94;
sfr P1M1 = 0x91;
sfr P1M0 = 0x92;